Home / 8,968,666.20-13,488,428.70-8,047,501.80

Finding the Fourth Proportional to 8,968,666.20, 13,488,428.70 and 8,047,501.80

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Solution

The fourth proportional to 8,968,666.20, 13,488,428.70 and 8,047,501.80 is: 12,103,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968,666.20 : 13,488,428.70 = 8,047,501.80 : x
  2. Step 2: Convert to fraction form
    8,968,666.20/13,488,428.70 = 8,047,501.80/x
  3. Step 3: Cross multiply
    8,968,666.20x = 13,488,428.70 × 8,047,501.80
  4. Step 4: Simplify right side
    8,968,666.20x = 108,548,154,242,421.66
  5. Step 5: Solve for x
    x = 108,548,154,242,421.66/8,968,666.20
  6. Step 6: Final answer
    x = 12,103,043.18

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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.