Home / 8,298,779.40-12,456,042.30-5,110,133.40

Finding the Fourth Proportional to 8,298,779.40, 12,456,042.30 and 5,110,133.40

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Solution

The fourth proportional to 8,298,779.40, 12,456,042.30 and 5,110,133.40 is: 7,670,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298,779.40 : 12,456,042.30 = 5,110,133.40 : x
  2. Step 2: Convert to fraction form
    8,298,779.40/12,456,042.30 = 5,110,133.40/x
  3. Step 3: Cross multiply
    8,298,779.40x = 12,456,042.30 × 5,110,133.40
  4. Step 4: Simplify right side
    8,298,779.40x = 63,652,037,789,042.83
  5. Step 5: Solve for x
    x = 63,652,037,789,042.83/8,298,779.40
  6. Step 6: Final answer
    x = 7,670,048.17

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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.