Home / 21,781,201.60-32,671,802.40-21,445,278.40

Finding the Fourth Proportional to 21,781,201.60, 32,671,802.40 and 21,445,278.40

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Solution

The fourth proportional to 21,781,201.60, 32,671,802.40 and 21,445,278.40 is: 32,167,917.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,781,201.60 : 32,671,802.40 = 21,445,278.40 : x
  2. Step 2: Convert to fraction form
    21,781,201.60/32,671,802.40 = 21,445,278.40/x
  3. Step 3: Cross multiply
    21,781,201.60x = 32,671,802.40 × 21,445,278.40
  4. Step 4: Simplify right side
    21,781,201.60x = 700,655,898,297,788.12
  5. Step 5: Solve for x
    x = 700,655,898,297,788.12/21,781,201.60
  6. Step 6: Final answer
    x = 32,167,917.60

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1.5x scale

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.