Home / 28,011,409.30-42,017,113.95-16,646,007.70

Finding the Fourth Proportional to 28,011,409.30, 42,017,113.95 and 16,646,007.70

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Solution

The fourth proportional to 28,011,409.30, 42,017,113.95 and 16,646,007.70 is: 24,969,011.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,011,409.30 : 42,017,113.95 = 16,646,007.70 : x
  2. Step 2: Convert to fraction form
    28,011,409.30/42,017,113.95 = 16,646,007.70/x
  3. Step 3: Cross multiply
    28,011,409.30x = 42,017,113.95 × 16,646,007.70
  4. Step 4: Simplify right side
    28,011,409.30x = 699,417,202,343,477.38
  5. Step 5: Solve for x
    x = 699,417,202,343,477.38/28,011,409.30
  6. Step 6: Final answer
    x = 24,969,011.55

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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.