Home / 13,191,870.53-18,209,865.45-12,827,833.45

Finding the Fourth Proportional to 13,191,870.53, 18,209,865.45 and 12,827,833.45

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Solution

The fourth proportional to 13,191,870.53, 18,209,865.45 and 12,827,833.45 is: 17,707,353.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191,870.53 : 18,209,865.45 = 12,827,833.45 : x
  2. Step 2: Convert to fraction form
    13,191,870.53/18,209,865.45 = 12,827,833.45/x
  3. Step 3: Cross multiply
    13,191,870.53x = 18,209,865.45 × 12,827,833.45
  4. Step 4: Simplify right side
    13,191,870.53x = 233,593,121,142,089
  5. Step 5: Solve for x
    x = 233,593,121,142,089/13,191,870.53
  6. Step 6: Final answer
    x = 17,707,353.98

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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.