Home / 20,650,492.98-28,526,821.65-16,547,778.18

Finding the Fourth Proportional to 20,650,492.98, 28,526,821.65 and 16,547,778.18

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Solution

The fourth proportional to 20,650,492.98, 28,526,821.65 and 16,547,778.18 is: 22,859,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,650,492.98 : 28,526,821.65 = 16,547,778.18 : x
  2. Step 2: Convert to fraction form
    20,650,492.98/28,526,821.65 = 16,547,778.18/x
  3. Step 3: Cross multiply
    20,650,492.98x = 28,526,821.65 × 16,547,778.18
  4. Step 4: Simplify right side
    20,650,492.98x = 472,055,516,844,621.56
  5. Step 5: Solve for x
    x = 472,055,516,844,621.56/20,650,492.98
  6. Step 6: Final answer
    x = 22,859,285.60

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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.