Home / 12,128,526.90-18,180,543.15-6,053,915.70

Finding the Fourth Proportional to 12,128,526.90, 18,180,543.15 and 6,053,915.70

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Solution

The fourth proportional to 12,128,526.90, 18,180,543.15 and 6,053,915.70 is: 9,074,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128,526.90 : 18,180,543.15 = 6,053,915.70 : x
  2. Step 2: Convert to fraction form
    12,128,526.90/18,180,543.15 = 6,053,915.70/x
  3. Step 3: Cross multiply
    12,128,526.90x = 18,180,543.15 × 6,053,915.70
  4. Step 4: Simplify right side
    12,128,526.90x = 110,063,475,610,312.45
  5. Step 5: Solve for x
    x = 110,063,475,610,312.45/12,128,526.90
  6. Step 6: Final answer
    x = 9,074,760.40

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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.