Home / 21,948,459.04-30,288,869.48-12,159,539.40

Finding the Fourth Proportional to 21,948,459.04, 30,288,869.48 and 12,159,539.40

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Solution

The fourth proportional to 21,948,459.04, 30,288,869.48 and 12,159,539.40 is: 16,780,162.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948,459.04 : 30,288,869.48 = 12,159,539.40 : x
  2. Step 2: Convert to fraction form
    21,948,459.04/30,288,869.48 = 12,159,539.40/x
  3. Step 3: Cross multiply
    21,948,459.04x = 30,288,869.48 × 12,159,539.40
  4. Step 4: Simplify right side
    21,948,459.04x = 368,298,701,823,517.50
  5. Step 5: Solve for x
    x = 368,298,701,823,517.50/21,948,459.04
  6. Step 6: Final answer
    x = 16,780,162.16

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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.