Home / 21,842,115.40-32,810,412.30-15,464,823.40

Finding the Fourth Proportional to 21,842,115.40, 32,810,412.30 and 15,464,823.40

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Solution

The fourth proportional to 21,842,115.40, 32,810,412.30 and 15,464,823.40 is: 23,230,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,842,115.40 : 32,810,412.30 = 15,464,823.40 : x
  2. Step 2: Convert to fraction form
    21,842,115.40/32,810,412.30 = 15,464,823.40/x
  3. Step 3: Cross multiply
    21,842,115.40x = 32,810,412.30 × 15,464,823.40
  4. Step 4: Simplify right side
    21,842,115.40x = 507,407,231,900,687.81
  5. Step 5: Solve for x
    x = 507,407,231,900,687.81/21,842,115.40
  6. Step 6: Final answer
    x = 23,230,681.76

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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.