Home / 21,781,206.60-32,671,809.90-21,445,283.40

Finding the Fourth Proportional to 21,781,206.60, 32,671,809.90 and 21,445,283.40

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Solution

The fourth proportional to 21,781,206.60, 32,671,809.90 and 21,445,283.40 is: 32,167,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,206.60 : 32,671,809.90 = 21,445,283.40 : x
  2. Step 2: Convert to fraction form
    21,781,206.60/32,671,809.90 = 21,445,283.40/x
  3. Step 3: Cross multiply
    21,781,206.60x = 32,671,809.90 × 21,445,283.40
  4. Step 4: Simplify right side
    21,781,206.60x = 700,656,222,496,425.62
  5. Step 5: Solve for x
    x = 700,656,222,496,425.62/21,781,206.60
  6. Step 6: Final answer
    x = 32,167,925.10

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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.