Home / 28,710,006.90-43,088,511.15-28,486,058.10

Finding the Fourth Proportional to 28,710,006.90, 43,088,511.15 and 28,486,058.10

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Solution

The fourth proportional to 28,710,006.90, 43,088,511.15 and 28,486,058.10 is: 42,752,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,710,006.90 : 43,088,511.15 = 28,486,058.10 : x
  2. Step 2: Convert to fraction form
    28,710,006.90/43,088,511.15 = 28,486,058.10/x
  3. Step 3: Cross multiply
    28,710,006.90x = 43,088,511.15 × 28,486,058.10
  4. Step 4: Simplify right side
    28,710,006.90x = 1,227,421,832,061,397.75
  5. Step 5: Solve for x
    x = 1,227,421,832,061,397.75/28,710,006.90
  6. Step 6: Final answer
    x = 42,752,404.63

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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.