Home / 27,884,146.80-38,484,281.34-20,069,500.08

Finding the Fourth Proportional to 27,884,146.80, 38,484,281.34 and 20,069,500.08

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Solution

The fourth proportional to 27,884,146.80, 38,484,281.34 and 20,069,500.08 is: 27,698,903.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,884,146.80 : 38,484,281.34 = 20,069,500.08 : x
  2. Step 2: Convert to fraction form
    27,884,146.80/38,484,281.34 = 20,069,500.08/x
  3. Step 3: Cross multiply
    27,884,146.80x = 38,484,281.34 × 20,069,500.08
  4. Step 4: Simplify right side
    27,884,146.80x = 772,360,287,431,872.50
  5. Step 5: Solve for x
    x = 772,360,287,431,872.50/27,884,146.80
  6. Step 6: Final answer
    x = 27,698,903.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.