Home / 7,130,239-9,839,746.02-4,074,445.96

Finding the Fourth Proportional to 7,130,239, 9,839,746.02 and 4,074,445.96

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Solution

The fourth proportional to 7,130,239, 9,839,746.02 and 4,074,445.96 is: 5,622,744.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,239 : 9,839,746.02 = 4,074,445.96 : x
  2. Step 2: Convert to fraction form
    7,130,239/9,839,746.02 = 4,074,445.96/x
  3. Step 3: Cross multiply
    7,130,239x = 9,839,746.02 × 4,074,445.96
  4. Step 4: Simplify right side
    7,130,239x = 40,091,513,418,615.08
  5. Step 5: Solve for x
    x = 40,091,513,418,615.08/7,130,239
  6. Step 6: Final answer
    x = 5,622,744.68

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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.