Home / 8,745,362.40-12,043,779.12-7,512,710.88

Finding the Fourth Proportional to 8,745,362.40, 12,043,779.12 and 7,512,710.88

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Solution

The fourth proportional to 8,745,362.40, 12,043,779.12 and 7,512,710.88 is: 10,346,218.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745,362.40 : 12,043,779.12 = 7,512,710.88 : x
  2. Step 2: Convert to fraction form
    8,745,362.40/12,043,779.12 = 7,512,710.88/x
  3. Step 3: Cross multiply
    8,745,362.40x = 12,043,779.12 × 7,512,710.88
  4. Step 4: Simplify right side
    8,745,362.40x = 90,481,430,431,140.81
  5. Step 5: Solve for x
    x = 90,481,430,431,140.81/8,745,362.40
  6. Step 6: Final answer
    x = 10,346,218.52

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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.