Home / 15,120,708.60-22,666,547.70-5,018,129.40

Finding the Fourth Proportional to 15,120,708.60, 22,666,547.70 and 5,018,129.40

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Solution

The fourth proportional to 15,120,708.60, 22,666,547.70 and 5,018,129.40 is: 7,522,376.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120,708.60 : 22,666,547.70 = 5,018,129.40 : x
  2. Step 2: Convert to fraction form
    15,120,708.60/22,666,547.70 = 5,018,129.40/x
  3. Step 3: Cross multiply
    15,120,708.60x = 22,666,547.70 × 5,018,129.40
  4. Step 4: Simplify right side
    15,120,708.60x = 113,743,669,409,872.39
  5. Step 5: Solve for x
    x = 113,743,669,409,872.39/15,120,708.60
  6. Step 6: Final answer
    x = 7,522,376.92

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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.