Home / 13,125,837.60-19,688,756.40-8,502,300.90

Finding the Fourth Proportional to 13,125,837.60, 19,688,756.40 and 8,502,300.90

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Solution

The fourth proportional to 13,125,837.60, 19,688,756.40 and 8,502,300.90 is: 12,753,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,125,837.60 : 19,688,756.40 = 8,502,300.90 : x
  2. Step 2: Convert to fraction form
    13,125,837.60/19,688,756.40 = 8,502,300.90/x
  3. Step 3: Cross multiply
    13,125,837.60x = 19,688,756.40 × 8,502,300.90
  4. Step 4: Simplify right side
    13,125,837.60x = 167,399,731,259,600.75
  5. Step 5: Solve for x
    x = 167,399,731,259,600.75/13,125,837.60
  6. Step 6: Final answer
    x = 12,753,451.35

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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.