Home / 6,887,555.60-10,331,333.40-6,143,538.20

Finding the Fourth Proportional to 6,887,555.60, 10,331,333.40 and 6,143,538.20

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Solution

The fourth proportional to 6,887,555.60, 10,331,333.40 and 6,143,538.20 is: 9,215,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887,555.60 : 10,331,333.40 = 6,143,538.20 : x
  2. Step 2: Convert to fraction form
    6,887,555.60/10,331,333.40 = 6,143,538.20/x
  3. Step 3: Cross multiply
    6,887,555.60x = 10,331,333.40 × 6,143,538.20
  4. Step 4: Simplify right side
    6,887,555.60x = 63,470,941,399,835.88
  5. Step 5: Solve for x
    x = 63,470,941,399,835.88/6,887,555.60
  6. Step 6: Final answer
    x = 9,215,307.30

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1.5x scale

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.