Home / 15,138,878.40-22,708,317.60-7,176,254.40

Finding the Fourth Proportional to 15,138,878.40, 22,708,317.60 and 7,176,254.40

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Solution

The fourth proportional to 15,138,878.40, 22,708,317.60 and 7,176,254.40 is: 10,764,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,138,878.40 : 22,708,317.60 = 7,176,254.40 : x
  2. Step 2: Convert to fraction form
    15,138,878.40/22,708,317.60 = 7,176,254.40/x
  3. Step 3: Cross multiply
    15,138,878.40x = 22,708,317.60 × 7,176,254.40
  4. Step 4: Simplify right side
    15,138,878.40x = 162,960,664,093,597.47
  5. Step 5: Solve for x
    x = 162,960,664,093,597.47/15,138,878.40
  6. Step 6: Final answer
    x = 10,764,381.60

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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.