Home / 12,413,779.80-18,578,679.30-10,902,125.40

Finding the Fourth Proportional to 12,413,779.80, 18,578,679.30 and 10,902,125.40

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Solution

The fourth proportional to 12,413,779.80, 18,578,679.30 and 10,902,125.40 is: 16,316,310.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,779.80 : 18,578,679.30 = 10,902,125.40 : x
  2. Step 2: Convert to fraction form
    12,413,779.80/18,578,679.30 = 10,902,125.40/x
  3. Step 3: Cross multiply
    12,413,779.80x = 18,578,679.30 × 10,902,125.40
  4. Step 4: Simplify right side
    12,413,779.80x = 202,547,091,494,984.25
  5. Step 5: Solve for x
    x = 202,547,091,494,984.25/12,413,779.80
  6. Step 6: Final answer
    x = 16,316,310.97

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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.