Home / 13,390,600.32-20,047,287.85-12,006,030.46

Finding the Fourth Proportional to 13,390,600.32, 20,047,287.85 and 12,006,030.46

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Solution

The fourth proportional to 13,390,600.32, 20,047,287.85 and 12,006,030.46 is: 17,974,425.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,390,600.32 : 20,047,287.85 = 12,006,030.46 : x
  2. Step 2: Convert to fraction form
    13,390,600.32/20,047,287.85 = 12,006,030.46/x
  3. Step 3: Cross multiply
    13,390,600.32x = 20,047,287.85 × 12,006,030.46
  4. Step 4: Simplify right side
    13,390,600.32x = 240,688,348,567,487.94
  5. Step 5: Solve for x
    x = 240,688,348,567,487.94/13,390,600.32
  6. Step 6: Final answer
    x = 17,974,425.55

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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.