Home / 10,368,030.30-15,552,045.45-7,120,772.70

Finding the Fourth Proportional to 10,368,030.30, 15,552,045.45 and 7,120,772.70

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Solution

The fourth proportional to 10,368,030.30, 15,552,045.45 and 7,120,772.70 is: 10,681,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,030.30 : 15,552,045.45 = 7,120,772.70 : x
  2. Step 2: Convert to fraction form
    10,368,030.30/15,552,045.45 = 7,120,772.70/x
  3. Step 3: Cross multiply
    10,368,030.30x = 15,552,045.45 × 7,120,772.70
  4. Step 4: Simplify right side
    10,368,030.30x = 110,742,580,669,519.22
  5. Step 5: Solve for x
    x = 110,742,580,669,519.22/10,368,030.30
  6. Step 6: Final answer
    x = 10,681,159.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.