Home / 6,897,886.79-9,518,628.38-4,142,937.24

Finding the Fourth Proportional to 6,897,886.79, 9,518,628.38 and 4,142,937.24

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Solution

The fourth proportional to 6,897,886.79, 9,518,628.38 and 4,142,937.24 is: 5,716,979.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,897,886.79 : 9,518,628.38 = 4,142,937.24 : x
  2. Step 2: Convert to fraction form
    6,897,886.79/9,518,628.38 = 4,142,937.24/x
  3. Step 3: Cross multiply
    6,897,886.79x = 9,518,628.38 × 4,142,937.24
  4. Step 4: Simplify right side
    6,897,886.79x = 39,435,079,968,508.19
  5. Step 5: Solve for x
    x = 39,435,079,968,508.19/6,897,886.79
  6. Step 6: Final answer
    x = 5,716,979.88

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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.