Home / 21,766,746.40-32,642,246.40-8,807,459.20

Finding the Fourth Proportional to 21,766,746.40, 32,642,246.40 and 8,807,459.20

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Solution

The fourth proportional to 21,766,746.40, 32,642,246.40 and 8,807,459.20 is: 13,208,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,766,746.40 : 32,642,246.40 = 8,807,459.20 : x
  2. Step 2: Convert to fraction form
    21,766,746.40/32,642,246.40 = 8,807,459.20/x
  3. Step 3: Cross multiply
    21,766,746.40x = 32,642,246.40 × 8,807,459.20
  4. Step 4: Simplify right side
    21,766,746.40x = 287,495,253,364,346.81
  5. Step 5: Solve for x
    x = 287,495,253,364,346.81/21,766,746.40
  6. Step 6: Final answer
    x = 13,208,003.07

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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.