Home / 8,737,362.30-12,057,615.95-4,870,128.68

Finding the Fourth Proportional to 8,737,362.30, 12,057,615.95 and 4,870,128.68

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Solution

The fourth proportional to 8,737,362.30, 12,057,615.95 and 4,870,128.68 is: 6,720,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737,362.30 : 12,057,615.95 = 4,870,128.68 : x
  2. Step 2: Convert to fraction form
    8,737,362.30/12,057,615.95 = 4,870,128.68/x
  3. Step 3: Cross multiply
    8,737,362.30x = 12,057,615.95 × 4,870,128.68
  4. Step 4: Simplify right side
    8,737,362.30x = 58,722,141,165,881.72
  5. Step 5: Solve for x
    x = 58,722,141,165,881.72/8,737,362.30
  6. Step 6: Final answer
    x = 6,720,808.77

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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.