Home / 39,720,368.75-59,580,465.03-10,574,214.89

Finding the Fourth Proportional to 39,720,368.75, 59,580,465.03 and 10,574,214.89

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Solution

The fourth proportional to 39,720,368.75, 59,580,465.03 and 10,574,214.89 is: 15,861,298.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,720,368.75 : 59,580,465.03 = 10,574,214.89 : x
  2. Step 2: Convert to fraction form
    39,720,368.75/59,580,465.03 = 10,574,214.89/x
  3. Step 3: Cross multiply
    39,720,368.75x = 59,580,465.03 × 10,574,214.89
  4. Step 4: Simplify right side
    39,720,368.75x = 630,016,640,175,448
  5. Step 5: Solve for x
    x = 630,016,640,175,448/39,720,368.75
  6. Step 6: Final answer
    x = 15,861,298.88

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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.