Home / 42,391,674.35-63,587,511.53-10,478,970.35

Finding the Fourth Proportional to 42,391,674.35, 63,587,511.53 and 10,478,970.35

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Solution

The fourth proportional to 42,391,674.35, 63,587,511.53 and 10,478,970.35 is: 15,718,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,391,674.35 : 63,587,511.53 = 10,478,970.35 : x
  2. Step 2: Convert to fraction form
    42,391,674.35/63,587,511.53 = 10,478,970.35/x
  3. Step 3: Cross multiply
    42,391,674.35x = 63,587,511.53 × 10,478,970.35
  4. Step 4: Simplify right side
    42,391,674.35x = 666,331,647,900,758.25
  5. Step 5: Solve for x
    x = 666,331,647,900,758.25/42,391,674.35
  6. Step 6: Final answer
    x = 15,718,455.53

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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.