Home / 10,134,142.76-13,985,130.51-5,487,935.81

Finding the Fourth Proportional to 10,134,142.76, 13,985,130.51 and 5,487,935.81

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Solution

The fourth proportional to 10,134,142.76, 13,985,130.51 and 5,487,935.81 is: 7,573,358.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134,142.76 : 13,985,130.51 = 5,487,935.81 : x
  2. Step 2: Convert to fraction form
    10,134,142.76/13,985,130.51 = 5,487,935.81/x
  3. Step 3: Cross multiply
    10,134,142.76x = 13,985,130.51 × 5,487,935.81
  4. Step 4: Simplify right side
    10,134,142.76x = 76,749,498,463,426.91
  5. Step 5: Solve for x
    x = 76,749,498,463,426.91/10,134,142.76
  6. Step 6: Final answer
    x = 7,573,358.72

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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.