Home / 10,429,649.40-15,625,811.70-8,526,084.60

Finding the Fourth Proportional to 10,429,649.40, 15,625,811.70 and 8,526,084.60

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Solution

The fourth proportional to 10,429,649.40, 15,625,811.70 and 8,526,084.60 is: 12,773,870.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,649.40 : 15,625,811.70 = 8,526,084.60 : x
  2. Step 2: Convert to fraction form
    10,429,649.40/15,625,811.70 = 8,526,084.60/x
  3. Step 3: Cross multiply
    10,429,649.40x = 15,625,811.70 × 8,526,084.60
  4. Step 4: Simplify right side
    10,429,649.40x = 133,226,992,497,869.81
  5. Step 5: Solve for x
    x = 133,226,992,497,869.81/10,429,649.40
  6. Step 6: Final answer
    x = 12,773,870.66

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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.