Home / 19,218,019.98-26,520,867.30-10,516,192.34

Finding the Fourth Proportional to 19,218,019.98, 26,520,867.30 and 10,516,192.34

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Solution

The fourth proportional to 19,218,019.98, 26,520,867.30 and 10,516,192.34 is: 14,512,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,218,019.98 : 26,520,867.30 = 10,516,192.34 : x
  2. Step 2: Convert to fraction form
    19,218,019.98/26,520,867.30 = 10,516,192.34/x
  3. Step 3: Cross multiply
    19,218,019.98x = 26,520,867.30 × 10,516,192.34
  4. Step 4: Simplify right side
    19,218,019.98x = 278,898,541,417,812.19
  5. Step 5: Solve for x
    x = 278,898,541,417,812.19/19,218,019.98
  6. Step 6: Final answer
    x = 14,512,345.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.