Home / 13,298,712.60-19,948,068.90-4,779,910.20

Finding the Fourth Proportional to 13,298,712.60, 19,948,068.90 and 4,779,910.20

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Solution

The fourth proportional to 13,298,712.60, 19,948,068.90 and 4,779,910.20 is: 7,169,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,298,712.60 : 19,948,068.90 = 4,779,910.20 : x
  2. Step 2: Convert to fraction form
    13,298,712.60/19,948,068.90 = 4,779,910.20/x
  3. Step 3: Cross multiply
    13,298,712.60x = 19,948,068.90 × 4,779,910.20
  4. Step 4: Simplify right side
    13,298,712.60x = 95,349,978,005,412.78
  5. Step 5: Solve for x
    x = 95,349,978,005,412.78/13,298,712.60
  6. Step 6: Final answer
    x = 7,169,865.30

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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.