Home / 14,000,897.60-21,001,346.40-11,985,358.40

Finding the Fourth Proportional to 14,000,897.60, 21,001,346.40 and 11,985,358.40

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Solution

The fourth proportional to 14,000,897.60, 21,001,346.40 and 11,985,358.40 is: 17,978,037.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,897.60 : 21,001,346.40 = 11,985,358.40 : x
  2. Step 2: Convert to fraction form
    14,000,897.60/21,001,346.40 = 11,985,358.40/x
  3. Step 3: Cross multiply
    14,000,897.60x = 21,001,346.40 × 11,985,358.40
  4. Step 4: Simplify right side
    14,000,897.60x = 251,708,663,486,549.75
  5. Step 5: Solve for x
    x = 251,708,663,486,549.75/14,000,897.60
  6. Step 6: Final answer
    x = 17,978,037.60

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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.