Home / 8,657,115.80-12,985,673.70-8,435,931.80

Finding the Fourth Proportional to 8,657,115.80, 12,985,673.70 and 8,435,931.80

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Solution

The fourth proportional to 8,657,115.80, 12,985,673.70 and 8,435,931.80 is: 12,653,897.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,657,115.80 : 12,985,673.70 = 8,435,931.80 : x
  2. Step 2: Convert to fraction form
    8,657,115.80/12,985,673.70 = 8,435,931.80/x
  3. Step 3: Cross multiply
    8,657,115.80x = 12,985,673.70 × 8,435,931.80
  4. Step 4: Simplify right side
    8,657,115.80x = 109,546,257,710,253.66
  5. Step 5: Solve for x
    x = 109,546,257,710,253.66/8,657,115.80
  6. Step 6: Final answer
    x = 12,653,897.70

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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.