Home / 47,842,643.20-71,774,462.40-15,496,038.40

Finding the Fourth Proportional to 47,842,643.20, 71,774,462.40 and 15,496,038.40

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Solution

The fourth proportional to 47,842,643.20, 71,774,462.40 and 15,496,038.40 is: 23,247,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,842,643.20 : 71,774,462.40 = 15,496,038.40 : x
  2. Step 2: Convert to fraction form
    47,842,643.20/71,774,462.40 = 15,496,038.40/x
  3. Step 3: Cross multiply
    47,842,643.20x = 71,774,462.40 × 15,496,038.40
  4. Step 4: Simplify right side
    47,842,643.20x = 1,112,219,825,489,756.25
  5. Step 5: Solve for x
    x = 1,112,219,825,489,756.25/47,842,643.20
  6. Step 6: Final answer
    x = 23,247,457.73

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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.