Home / 8,781,602.40-13,172,403.60-6,655,838.40

Finding the Fourth Proportional to 8,781,602.40, 13,172,403.60 and 6,655,838.40

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Solution

The fourth proportional to 8,781,602.40, 13,172,403.60 and 6,655,838.40 is: 9,983,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,602.40 : 13,172,403.60 = 6,655,838.40 : x
  2. Step 2: Convert to fraction form
    8,781,602.40/13,172,403.60 = 6,655,838.40/x
  3. Step 3: Cross multiply
    8,781,602.40x = 13,172,403.60 × 6,655,838.40
  4. Step 4: Simplify right side
    8,781,602.40x = 87,673,389,701,178.25
  5. Step 5: Solve for x
    x = 87,673,389,701,178.25/8,781,602.40
  6. Step 6: Final answer
    x = 9,983,757.60

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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.