Home / 40,047,037.61-55,266,077.75-22,643,009.15

Finding the Fourth Proportional to 40,047,037.61, 55,266,077.75 and 22,643,009.15

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Solution

The fourth proportional to 40,047,037.61, 55,266,077.75 and 22,643,009.15 is: 31,248,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047,037.61 : 55,266,077.75 = 22,643,009.15 : x
  2. Step 2: Convert to fraction form
    40,047,037.61/55,266,077.75 = 22,643,009.15/x
  3. Step 3: Cross multiply
    40,047,037.61x = 55,266,077.75 × 22,643,009.15
  4. Step 4: Simplify right side
    40,047,037.61x = 1,251,390,303,788,316
  5. Step 5: Solve for x
    x = 1,251,390,303,788,316/40,047,037.61
  6. Step 6: Final answer
    x = 31,248,011.80

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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.