Home / 15,208,583.81-20,988,686.12-8,684,309.00

Finding the Fourth Proportional to 15,208,583.81, 20,988,686.12 and 8,684,309.00

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Solution

The fourth proportional to 15,208,583.81, 20,988,686.12 and 8,684,309.00 is: 11,984,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,208,583.81 : 20,988,686.12 = 8,684,309.00 : x
  2. Step 2: Convert to fraction form
    15,208,583.81/20,988,686.12 = 8,684,309.00/x
  3. Step 3: Cross multiply
    15,208,583.81x = 20,988,686.12 × 8,684,309.00
  4. Step 4: Simplify right side
    15,208,583.81x = 182,272,235,779,141.22
  5. Step 5: Solve for x
    x = 182,272,235,779,141.22/15,208,583.81
  6. Step 6: Final answer
    x = 11,984,826.34

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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.