Home / 22,345,948.10-33,518,922.15-12,142,280.90

Finding the Fourth Proportional to 22,345,948.10, 33,518,922.15 and 12,142,280.90

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Solution

The fourth proportional to 22,345,948.10, 33,518,922.15 and 12,142,280.90 is: 18,213,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,345,948.10 : 33,518,922.15 = 12,142,280.90 : x
  2. Step 2: Convert to fraction form
    22,345,948.10/33,518,922.15 = 12,142,280.90/x
  3. Step 3: Cross multiply
    22,345,948.10x = 33,518,922.15 × 12,142,280.90
  4. Step 4: Simplify right side
    22,345,948.10x = 406,996,168,210,531.94
  5. Step 5: Solve for x
    x = 406,996,168,210,531.94/22,345,948.10
  6. Step 6: Final answer
    x = 18,213,421.35

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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.