Home / 13,506,498.20-18,626,376.53-12,503,319.94

Finding the Fourth Proportional to 13,506,498.20, 18,626,376.53 and 12,503,319.94

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Solution

The fourth proportional to 13,506,498.20, 18,626,376.53 and 12,503,319.94 is: 17,242,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,498.20 : 18,626,376.53 = 12,503,319.94 : x
  2. Step 2: Convert to fraction form
    13,506,498.20/18,626,376.53 = 12,503,319.94/x
  3. Step 3: Cross multiply
    13,506,498.20x = 18,626,376.53 × 12,503,319.94
  4. Step 4: Simplify right side
    13,506,498.20x = 232,891,545,132,038.28
  5. Step 5: Solve for x
    x = 232,891,545,132,038.28/13,506,498.20
  6. Step 6: Final answer
    x = 17,242,925.71

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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.