Home / 15,455,220.80-23,185,455.60-8,264,802.20

Finding the Fourth Proportional to 15,455,220.80, 23,185,455.60 and 8,264,802.20

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Solution

The fourth proportional to 15,455,220.80, 23,185,455.60 and 8,264,802.20 is: 12,398,606.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,455,220.80 : 23,185,455.60 = 8,264,802.20 : x
  2. Step 2: Convert to fraction form
    15,455,220.80/23,185,455.60 = 8,264,802.20/x
  3. Step 3: Cross multiply
    15,455,220.80x = 23,185,455.60 × 8,264,802.20
  4. Step 4: Simplify right side
    15,455,220.80x = 191,623,204,450,882.34
  5. Step 5: Solve for x
    x = 191,623,204,450,882.34/15,455,220.80
  6. Step 6: Final answer
    x = 12,398,606.72

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1.5x scale

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.