Home / 8,323,207.80-12,484,811.70-7,105,486.20

Finding the Fourth Proportional to 8,323,207.80, 12,484,811.70 and 7,105,486.20

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Solution

The fourth proportional to 8,323,207.80, 12,484,811.70 and 7,105,486.20 is: 10,658,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,323,207.80 : 12,484,811.70 = 7,105,486.20 : x
  2. Step 2: Convert to fraction form
    8,323,207.80/12,484,811.70 = 7,105,486.20/x
  3. Step 3: Cross multiply
    8,323,207.80x = 12,484,811.70 × 7,105,486.20
  4. Step 4: Simplify right side
    8,323,207.80x = 88,710,657,243,948.53
  5. Step 5: Solve for x
    x = 88,710,657,243,948.53/8,323,207.80
  6. Step 6: Final answer
    x = 10,658,229.30

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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.