Home / 28,889,332.52-43,352,776.80-12,510,612.50

Finding the Fourth Proportional to 28,889,332.52, 43,352,776.80 and 12,510,612.50

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Solution

The fourth proportional to 28,889,332.52, 43,352,776.80 and 12,510,612.50 is: 18,774,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,889,332.52 : 43,352,776.80 = 12,510,612.50 : x
  2. Step 2: Convert to fraction form
    28,889,332.52/43,352,776.80 = 12,510,612.50/x
  3. Step 3: Cross multiply
    28,889,332.52x = 43,352,776.80 × 12,510,612.50
  4. Step 4: Simplify right side
    28,889,332.52x = 542,369,791,127,026.06
  5. Step 5: Solve for x
    x = 542,369,791,127,026.06/28,889,332.52
  6. Step 6: Final answer
    x = 18,774,050.62

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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.