Home / 7,015,924.54-9,681,779.91-3,960,423.10

Finding the Fourth Proportional to 7,015,924.54, 9,681,779.91 and 3,960,423.10

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Solution

The fourth proportional to 7,015,924.54, 9,681,779.91 and 3,960,423.10 is: 5,465,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,924.54 : 9,681,779.91 = 3,960,423.10 : x
  2. Step 2: Convert to fraction form
    7,015,924.54/9,681,779.91 = 3,960,423.10/x
  3. Step 3: Cross multiply
    7,015,924.54x = 9,681,779.91 × 3,960,423.10
  4. Step 4: Simplify right side
    7,015,924.54x = 38,343,944,804,679.92
  5. Step 5: Solve for x
    x = 38,343,944,804,679.92/7,015,924.54
  6. Step 6: Final answer
    x = 5,465,273.26

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Double scale
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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.