Home / 13,251,179.60-19,876,769.40-12,877,931.60

Finding the Fourth Proportional to 13,251,179.60, 19,876,769.40 and 12,877,931.60

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Solution

The fourth proportional to 13,251,179.60, 19,876,769.40 and 12,877,931.60 is: 19,316,897.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251,179.60 : 19,876,769.40 = 12,877,931.60 : x
  2. Step 2: Convert to fraction form
    13,251,179.60/19,876,769.40 = 12,877,931.60/x
  3. Step 3: Cross multiply
    13,251,179.60x = 19,876,769.40 × 12,877,931.60
  4. Step 4: Simplify right side
    13,251,179.60x = 255,971,676,762,173
  5. Step 5: Solve for x
    x = 255,971,676,762,173/13,251,179.60
  6. Step 6: Final answer
    x = 19,316,897.40

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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.