Home / 9,919,307.67-13,688,637.57-5,568,402.39

Finding the Fourth Proportional to 9,919,307.67, 13,688,637.57 and 5,568,402.39

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Solution

The fourth proportional to 9,919,307.67, 13,688,637.57 and 5,568,402.39 is: 7,684,391.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919,307.67 : 13,688,637.57 = 5,568,402.39 : x
  2. Step 2: Convert to fraction form
    9,919,307.67/13,688,637.57 = 5,568,402.39/x
  3. Step 3: Cross multiply
    9,919,307.67x = 13,688,637.57 × 5,568,402.39
  4. Step 4: Simplify right side
    9,919,307.67x = 76,223,842,160,631.80
  5. Step 5: Solve for x
    x = 76,223,842,160,631.80/9,919,307.67
  6. Step 6: Final answer
    x = 7,684,391.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.