Home / 15,338,706.66-21,168,681.21-8,813,596.14

Finding the Fourth Proportional to 15,338,706.66, 21,168,681.21 and 8,813,596.14

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Solution

The fourth proportional to 15,338,706.66, 21,168,681.21 and 8,813,596.14 is: 12,163,490.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,706.66 : 21,168,681.21 = 8,813,596.14 : x
  2. Step 2: Convert to fraction form
    15,338,706.66/21,168,681.21 = 8,813,596.14/x
  3. Step 3: Cross multiply
    15,338,706.66x = 21,168,681.21 × 8,813,596.14
  4. Step 4: Simplify right side
    15,338,706.66x = 186,572,207,001,346.56
  5. Step 5: Solve for x
    x = 186,572,207,001,346.56/15,338,706.66
  6. Step 6: Final answer
    x = 12,163,490.13

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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.