Home / 13,762,459.20-20,643,032.70-4,663,664.40

Finding the Fourth Proportional to 13,762,459.20, 20,643,032.70 and 4,663,664.40

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Solution

The fourth proportional to 13,762,459.20, 20,643,032.70 and 4,663,664.40 is: 6,995,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,762,459.20 : 20,643,032.70 = 4,663,664.40 : x
  2. Step 2: Convert to fraction form
    13,762,459.20/20,643,032.70 = 4,663,664.40/x
  3. Step 3: Cross multiply
    13,762,459.20x = 20,643,032.70 × 4,663,664.40
  4. Step 4: Simplify right side
    13,762,459.20x = 96,272,176,711,025.89
  5. Step 5: Solve for x
    x = 96,272,176,711,025.89/13,762,459.20
  6. Step 6: Final answer
    x = 6,995,274.27

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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.