Home / 7,565,711-10,428,484.60-5,117,429.20

Finding the Fourth Proportional to 7,565,711, 10,428,484.60 and 5,117,429.20

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Solution

The fourth proportional to 7,565,711, 10,428,484.60 and 5,117,429.20 is: 7,053,802.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565,711 : 10,428,484.60 = 5,117,429.20 : x
  2. Step 2: Convert to fraction form
    7,565,711/10,428,484.60 = 5,117,429.20/x
  3. Step 3: Cross multiply
    7,565,711x = 10,428,484.60 × 5,117,429.20
  4. Step 4: Simplify right side
    7,565,711x = 53,367,031,603,790.32
  5. Step 5: Solve for x
    x = 53,367,031,603,790.32/7,565,711
  6. Step 6: Final answer
    x = 7,053,802.56

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1.5x scale

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.