Home / 8,805,005.20-13,207,507.80-8,021,184.40

Finding the Fourth Proportional to 8,805,005.20, 13,207,507.80 and 8,021,184.40

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Solution

The fourth proportional to 8,805,005.20, 13,207,507.80 and 8,021,184.40 is: 12,031,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805,005.20 : 13,207,507.80 = 8,021,184.40 : x
  2. Step 2: Convert to fraction form
    8,805,005.20/13,207,507.80 = 8,021,184.40/x
  3. Step 3: Cross multiply
    8,805,005.20x = 13,207,507.80 × 8,021,184.40
  4. Step 4: Simplify right side
    8,805,005.20x = 105,939,855,528,238.33
  5. Step 5: Solve for x
    x = 105,939,855,528,238.33/8,805,005.20
  6. Step 6: Final answer
    x = 12,031,776.60

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1.5x scale

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.