Home / 13,942,887.16-19,235,565.90-8,426,685.28

Finding the Fourth Proportional to 13,942,887.16, 19,235,565.90 and 8,426,685.28

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Solution

The fourth proportional to 13,942,887.16, 19,235,565.90 and 8,426,685.28 is: 11,625,430.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942,887.16 : 19,235,565.90 = 8,426,685.28 : x
  2. Step 2: Convert to fraction form
    13,942,887.16/19,235,565.90 = 8,426,685.28/x
  3. Step 3: Cross multiply
    13,942,887.16x = 19,235,565.90 × 8,426,685.28
  4. Step 4: Simplify right side
    13,942,887.16x = 162,092,060,021,999.94
  5. Step 5: Solve for x
    x = 162,092,060,021,999.94/13,942,887.16
  6. Step 6: Final answer
    x = 11,625,430.10

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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.