Home / 10,142,182.22-15,218,267.90-4,749,901.36

Finding the Fourth Proportional to 10,142,182.22, 15,218,267.90 and 4,749,901.36

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Solution

The fourth proportional to 10,142,182.22, 15,218,267.90 and 4,749,901.36 is: 7,127,191.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,142,182.22 : 15,218,267.90 = 4,749,901.36 : x
  2. Step 2: Convert to fraction form
    10,142,182.22/15,218,267.90 = 4,749,901.36/x
  3. Step 3: Cross multiply
    10,142,182.22x = 15,218,267.90 × 4,749,901.36
  4. Step 4: Simplify right side
    10,142,182.22x = 72,285,271,333,259.17
  5. Step 5: Solve for x
    x = 72,285,271,333,259.17/10,142,182.22
  6. Step 6: Final answer
    x = 7,127,191.15

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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.