Home / 9,878,109.20-14,808,869.40-5,150,301.20

Finding the Fourth Proportional to 9,878,109.20, 14,808,869.40 and 5,150,301.20

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Solution

The fourth proportional to 9,878,109.20, 14,808,869.40 and 5,150,301.20 is: 7,721,127.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878,109.20 : 14,808,869.40 = 5,150,301.20 : x
  2. Step 2: Convert to fraction form
    9,878,109.20/14,808,869.40 = 5,150,301.20/x
  3. Step 3: Cross multiply
    9,878,109.20x = 14,808,869.40 × 5,150,301.20
  4. Step 4: Simplify right side
    9,878,109.20x = 76,270,137,841,463.28
  5. Step 5: Solve for x
    x = 76,270,137,841,463.28/9,878,109.20
  6. Step 6: Final answer
    x = 7,721,127.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.