Home / 9,369,129.08-12,900,655.47-8,201,038.37

Finding the Fourth Proportional to 9,369,129.08, 12,900,655.47 and 8,201,038.37

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Solution

The fourth proportional to 9,369,129.08, 12,900,655.47 and 8,201,038.37 is: 11,292,273.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369,129.08 : 12,900,655.47 = 8,201,038.37 : x
  2. Step 2: Convert to fraction form
    9,369,129.08/12,900,655.47 = 8,201,038.37/x
  3. Step 3: Cross multiply
    9,369,129.08x = 12,900,655.47 × 8,201,038.37
  4. Step 4: Simplify right side
    9,369,129.08x = 105,798,770,443,117.11
  5. Step 5: Solve for x
    x = 105,798,770,443,117.11/9,369,129.08
  6. Step 6: Final answer
    x = 11,292,273.76

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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.