Home / 21,323,459.40-29,423,845.15-12,030,487.70

Finding the Fourth Proportional to 21,323,459.40, 29,423,845.15 and 12,030,487.70

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Solution

The fourth proportional to 21,323,459.40, 29,423,845.15 and 12,030,487.70 is: 16,600,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,459.40 : 29,423,845.15 = 12,030,487.70 : x
  2. Step 2: Convert to fraction form
    21,323,459.40/29,423,845.15 = 12,030,487.70/x
  3. Step 3: Cross multiply
    21,323,459.40x = 29,423,845.15 × 12,030,487.70
  4. Step 4: Simplify right side
    21,323,459.40x = 353,983,207,163,779.62
  5. Step 5: Solve for x
    x = 353,983,207,163,779.62/21,323,459.40
  6. Step 6: Final answer
    x = 16,600,646.29

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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.