Home / 19,251,706.57-28,858,117.12-12,068,275.43

Finding the Fourth Proportional to 19,251,706.57, 28,858,117.12 and 12,068,275.43

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Solution

The fourth proportional to 19,251,706.57, 28,858,117.12 and 12,068,275.43 is: 18,090,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,251,706.57 : 28,858,117.12 = 12,068,275.43 : x
  2. Step 2: Convert to fraction form
    19,251,706.57/28,858,117.12 = 12,068,275.43/x
  3. Step 3: Cross multiply
    19,251,706.57x = 28,858,117.12 × 12,068,275.43
  4. Step 4: Simplify right side
    19,251,706.57x = 348,267,705,837,332.94
  5. Step 5: Solve for x
    x = 348,267,705,837,332.94/19,251,706.57
  6. Step 6: Final answer
    x = 18,090,225.12

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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.