Home / 8,921,724-13,353,632.40-4,817,339.40

Finding the Fourth Proportional to 8,921,724, 13,353,632.40 and 4,817,339.40

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Solution

The fourth proportional to 8,921,724, 13,353,632.40 and 4,817,339.40 is: 7,210,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,921,724 : 13,353,632.40 = 4,817,339.40 : x
  2. Step 2: Convert to fraction form
    8,921,724/13,353,632.40 = 4,817,339.40/x
  3. Step 3: Cross multiply
    8,921,724x = 13,353,632.40 × 4,817,339.40
  4. Step 4: Simplify right side
    8,921,724x = 64,328,979,493,636.57
  5. Step 5: Solve for x
    x = 64,328,979,493,636.57/8,921,724
  6. Step 6: Final answer
    x = 7,210,375.43

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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.