Home / 28,500,985.38-39,335,562.30-18,047,956.10

Finding the Fourth Proportional to 28,500,985.38, 39,335,562.30 and 18,047,956.10

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Solution

The fourth proportional to 28,500,985.38, 39,335,562.30 and 18,047,956.10 is: 24,908,840.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,500,985.38 : 39,335,562.30 = 18,047,956.10 : x
  2. Step 2: Convert to fraction form
    28,500,985.38/39,335,562.30 = 18,047,956.10/x
  3. Step 3: Cross multiply
    28,500,985.38x = 39,335,562.30 × 18,047,956.10
  4. Step 4: Simplify right side
    28,500,985.38x = 709,926,501,362,537.12
  5. Step 5: Solve for x
    x = 709,926,501,362,537.12/28,500,985.38
  6. Step 6: Final answer
    x = 24,908,840.59

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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.