Home / 10,368,059.30-15,552,088.95-7,120,801.70

Finding the Fourth Proportional to 10,368,059.30, 15,552,088.95 and 7,120,801.70

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Solution

The fourth proportional to 10,368,059.30, 15,552,088.95 and 7,120,801.70 is: 10,681,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,368,059.30 : 15,552,088.95 = 7,120,801.70 : x
  2. Step 2: Convert to fraction form
    10,368,059.30/15,552,088.95 = 7,120,801.70/x
  3. Step 3: Cross multiply
    10,368,059.30x = 15,552,088.95 × 7,120,801.70
  4. Step 4: Simplify right side
    10,368,059.30x = 110,743,341,433,711.22
  5. Step 5: Solve for x
    x = 110,743,341,433,711.22/10,368,059.30
  6. Step 6: Final answer
    x = 10,681,202.55

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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.