Home / 19,077,887.04-28,487,606.18-15,143,200.14

Finding the Fourth Proportional to 19,077,887.04, 28,487,606.18 and 15,143,200.14

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Solution

The fourth proportional to 19,077,887.04, 28,487,606.18 and 15,143,200.14 is: 22,612,227.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,077,887.04 : 28,487,606.18 = 15,143,200.14 : x
  2. Step 2: Convert to fraction form
    19,077,887.04/28,487,606.18 = 15,143,200.14/x
  3. Step 3: Cross multiply
    19,077,887.04x = 28,487,606.18 × 15,143,200.14
  4. Step 4: Simplify right side
    19,077,887.04x = 431,393,521,817,524.88
  5. Step 5: Solve for x
    x = 431,393,521,817,524.88/19,077,887.04
  6. Step 6: Final answer
    x = 22,612,227.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.