Home / 28,999,990.59-40,010,191.53-16,439,697.79

Finding the Fourth Proportional to 28,999,990.59, 40,010,191.53 and 16,439,697.79

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Solution

The fourth proportional to 28,999,990.59, 40,010,191.53 and 16,439,697.79 is: 22,681,230.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999,990.59 : 40,010,191.53 = 16,439,697.79 : x
  2. Step 2: Convert to fraction form
    28,999,990.59/40,010,191.53 = 16,439,697.79/x
  3. Step 3: Cross multiply
    28,999,990.59x = 40,010,191.53 × 16,439,697.79
  4. Step 4: Simplify right side
    28,999,990.59x = 657,755,457,433,386
  5. Step 5: Solve for x
    x = 657,755,457,433,386/28,999,990.59
  6. Step 6: Final answer
    x = 22,681,230.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.