Home / 10,931,811.10-16,397,716.65-8,806,047.10

Finding the Fourth Proportional to 10,931,811.10, 16,397,716.65 and 8,806,047.10

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Solution

The fourth proportional to 10,931,811.10, 16,397,716.65 and 8,806,047.10 is: 13,209,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,811.10 : 16,397,716.65 = 8,806,047.10 : x
  2. Step 2: Convert to fraction form
    10,931,811.10/16,397,716.65 = 8,806,047.10/x
  3. Step 3: Cross multiply
    10,931,811.10x = 16,397,716.65 × 8,806,047.10
  4. Step 4: Simplify right side
    10,931,811.10x = 144,399,065,152,354.22
  5. Step 5: Solve for x
    x = 144,399,065,152,354.22/10,931,811.10
  6. Step 6: Final answer
    x = 13,209,070.65

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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.