Home / 20,281,656.96-30,402,002.88-12,713,927.04

Finding the Fourth Proportional to 20,281,656.96, 30,402,002.88 and 12,713,927.04

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Solution

The fourth proportional to 20,281,656.96, 30,402,002.88 and 12,713,927.04 is: 19,058,050.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281,656.96 : 30,402,002.88 = 12,713,927.04 : x
  2. Step 2: Convert to fraction form
    20,281,656.96/30,402,002.88 = 12,713,927.04/x
  3. Step 3: Cross multiply
    20,281,656.96x = 30,402,002.88 × 12,713,927.04
  4. Step 4: Simplify right side
    20,281,656.96x = 386,528,846,486,189.81
  5. Step 5: Solve for x
    x = 386,528,846,486,189.81/20,281,656.96
  6. Step 6: Final answer
    x = 19,058,050.69

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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.