Home / 8,323,409.38-12,484,832.63-2,931,918.89

Finding the Fourth Proportional to 8,323,409.38, 12,484,832.63 and 2,931,918.89

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Solution

The fourth proportional to 8,323,409.38, 12,484,832.63 and 2,931,918.89 is: 4,397,779.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,409.38 : 12,484,832.63 = 2,931,918.89 : x
  2. Step 2: Convert to fraction form
    8,323,409.38/12,484,832.63 = 2,931,918.89/x
  3. Step 3: Cross multiply
    8,323,409.38x = 12,484,832.63 × 2,931,918.89
  4. Step 4: Simplify right side
    8,323,409.38x = 36,604,516,626,385.38
  5. Step 5: Solve for x
    x = 36,604,516,626,385.38/8,323,409.38
  6. Step 6: Final answer
    x = 4,397,779.20

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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.