Home / 10,157,962.97-14,018,160.50-5,574,710.81

Finding the Fourth Proportional to 10,157,962.97, 14,018,160.50 and 5,574,710.81

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Solution

The fourth proportional to 10,157,962.97, 14,018,160.50 and 5,574,710.81 is: 7,693,195.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157,962.97 : 14,018,160.50 = 5,574,710.81 : x
  2. Step 2: Convert to fraction form
    10,157,962.97/14,018,160.50 = 5,574,710.81/x
  3. Step 3: Cross multiply
    10,157,962.97x = 14,018,160.50 × 5,574,710.81
  4. Step 4: Simplify right side
    10,157,962.97x = 78,147,190,777,700.64
  5. Step 5: Solve for x
    x = 78,147,190,777,700.64/10,157,962.97
  6. Step 6: Final answer
    x = 7,693,195.09

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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.