Home / 28,180,341.72-42,257,189.50-10,916,628.46

Finding the Fourth Proportional to 28,180,341.72, 42,257,189.50 and 10,916,628.46

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Solution

The fourth proportional to 28,180,341.72, 42,257,189.50 and 10,916,628.46 is: 16,369,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,180,341.72 : 42,257,189.50 = 10,916,628.46 : x
  2. Step 2: Convert to fraction form
    28,180,341.72/42,257,189.50 = 10,916,628.46/x
  3. Step 3: Cross multiply
    28,180,341.72x = 42,257,189.50 × 10,916,628.46
  4. Step 4: Simplify right side
    28,180,341.72x = 461,306,037,402,378.62
  5. Step 5: Solve for x
    x = 461,306,037,402,378.62/28,180,341.72
  6. Step 6: Final answer
    x = 16,369,781.53

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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.