Home / 9,642,398.86-13,306,672.10-5,291,889.98

Finding the Fourth Proportional to 9,642,398.86, 13,306,672.10 and 5,291,889.98

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Solution

The fourth proportional to 9,642,398.86, 13,306,672.10 and 5,291,889.98 is: 7,302,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,642,398.86 : 13,306,672.10 = 5,291,889.98 : x
  2. Step 2: Convert to fraction form
    9,642,398.86/13,306,672.10 = 5,291,889.98/x
  3. Step 3: Cross multiply
    9,642,398.86x = 13,306,672.10 × 5,291,889.98
  4. Step 4: Simplify right side
    9,642,398.86x = 70,417,444,699,831.91
  5. Step 5: Solve for x
    x = 70,417,444,699,831.91/9,642,398.86
  6. Step 6: Final answer
    x = 7,302,896.89

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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.