Home / 8,778,210.80-13,167,316.20-7,927,905.20

Finding the Fourth Proportional to 8,778,210.80, 13,167,316.20 and 7,927,905.20

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Solution

The fourth proportional to 8,778,210.80, 13,167,316.20 and 7,927,905.20 is: 11,891,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778,210.80 : 13,167,316.20 = 7,927,905.20 : x
  2. Step 2: Convert to fraction form
    8,778,210.80/13,167,316.20 = 7,927,905.20/x
  3. Step 3: Cross multiply
    8,778,210.80x = 13,167,316.20 × 7,927,905.20
  4. Step 4: Simplify right side
    8,778,210.80x = 104,389,234,572,024.23
  5. Step 5: Solve for x
    x = 104,389,234,572,024.23/8,778,210.80
  6. Step 6: Final answer
    x = 11,891,857.80

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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.