Home / 18,191,913.40-27,287,870.10-15,952,425.40

Finding the Fourth Proportional to 18,191,913.40, 27,287,870.10 and 15,952,425.40

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Solution

The fourth proportional to 18,191,913.40, 27,287,870.10 and 15,952,425.40 is: 23,928,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,913.40 : 27,287,870.10 = 15,952,425.40 : x
  2. Step 2: Convert to fraction form
    18,191,913.40/27,287,870.10 = 15,952,425.40/x
  3. Step 3: Cross multiply
    18,191,913.40x = 27,287,870.10 × 15,952,425.40
  4. Step 4: Simplify right side
    18,191,913.40x = 435,307,712,095,140.56
  5. Step 5: Solve for x
    x = 435,307,712,095,140.56/18,191,913.40
  6. Step 6: Final answer
    x = 23,928,638.10

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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.