Home / 13,506,841.65-18,641,300.21-8,282,973.45

Finding the Fourth Proportional to 13,506,841.65, 18,641,300.21 and 8,282,973.45

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Solution

The fourth proportional to 13,506,841.65, 18,641,300.21 and 8,282,973.45 is: 11,431,643.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506,841.65 : 18,641,300.21 = 8,282,973.45 : x
  2. Step 2: Convert to fraction form
    13,506,841.65/18,641,300.21 = 8,282,973.45/x
  3. Step 3: Cross multiply
    13,506,841.65x = 18,641,300.21 × 8,282,973.45
  4. Step 4: Simplify right side
    13,506,841.65x = 154,405,394,712,909.44
  5. Step 5: Solve for x
    x = 154,405,394,712,909.44/13,506,841.65
  6. Step 6: Final answer
    x = 11,431,643.22

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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.