Home / 15,118,237.08-20,862,566.28-8,925,278.81

Finding the Fourth Proportional to 15,118,237.08, 20,862,566.28 and 8,925,278.81

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Solution

The fourth proportional to 15,118,237.08, 20,862,566.28 and 8,925,278.81 is: 12,316,530.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,118,237.08 : 20,862,566.28 = 8,925,278.81 : x
  2. Step 2: Convert to fraction form
    15,118,237.08/20,862,566.28 = 8,925,278.81/x
  3. Step 3: Cross multiply
    15,118,237.08x = 20,862,566.28 × 8,925,278.81
  4. Step 4: Simplify right side
    15,118,237.08x = 186,204,220,636,791.69
  5. Step 5: Solve for x
    x = 186,204,220,636,791.69/15,118,237.08
  6. Step 6: Final answer
    x = 12,316,530.01

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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.