Home / 10,365,569.05-15,548,353.58-5,326,721.05

Finding the Fourth Proportional to 10,365,569.05, 15,548,353.58 and 5,326,721.05

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Solution

The fourth proportional to 10,365,569.05, 15,548,353.58 and 5,326,721.05 is: 7,990,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,569.05 : 15,548,353.58 = 5,326,721.05 : x
  2. Step 2: Convert to fraction form
    10,365,569.05/15,548,353.58 = 5,326,721.05/x
  3. Step 3: Cross multiply
    10,365,569.05x = 15,548,353.58 × 5,326,721.05
  4. Step 4: Simplify right side
    10,365,569.05x = 82,821,742,307,428.86
  5. Step 5: Solve for x
    x = 82,821,742,307,428.86/10,365,569.05
  6. Step 6: Final answer
    x = 7,990,081.58

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Double scale
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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.