Home / 13,235,638.22-19,792,507.56-12,589,937.40

Finding the Fourth Proportional to 13,235,638.22, 19,792,507.56 and 12,589,937.40

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Solution

The fourth proportional to 13,235,638.22, 19,792,507.56 and 12,589,937.40 is: 18,826,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,638.22 : 19,792,507.56 = 12,589,937.40 : x
  2. Step 2: Convert to fraction form
    13,235,638.22/19,792,507.56 = 12,589,937.40/x
  3. Step 3: Cross multiply
    13,235,638.22x = 19,792,507.56 × 12,589,937.40
  4. Step 4: Simplify right side
    13,235,638.22x = 249,186,431,169,426.75
  5. Step 5: Solve for x
    x = 249,186,431,169,426.75/13,235,638.22
  6. Step 6: Final answer
    x = 18,826,929.77

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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.