Home / 30,531,297.24-42,132,700.62-16,779,966.12

Finding the Fourth Proportional to 30,531,297.24, 42,132,700.62 and 16,779,966.12

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Solution

The fourth proportional to 30,531,297.24, 42,132,700.62 and 16,779,966.12 is: 23,156,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531,297.24 : 42,132,700.62 = 16,779,966.12 : x
  2. Step 2: Convert to fraction form
    30,531,297.24/42,132,700.62 = 16,779,966.12/x
  3. Step 3: Cross multiply
    30,531,297.24x = 42,132,700.62 × 16,779,966.12
  4. Step 4: Simplify right side
    30,531,297.24x = 706,985,288,947,703
  5. Step 5: Solve for x
    x = 706,985,288,947,703/30,531,297.24
  6. Step 6: Final answer
    x = 23,156,084.18

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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.