Home / 14,771,645.06-20,388,271.40-8,662,041.86

Finding the Fourth Proportional to 14,771,645.06, 20,388,271.40 and 8,662,041.86

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Solution

The fourth proportional to 14,771,645.06, 20,388,271.40 and 8,662,041.86 is: 11,955,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,645.06 : 20,388,271.40 = 8,662,041.86 : x
  2. Step 2: Convert to fraction form
    14,771,645.06/20,388,271.40 = 8,662,041.86/x
  3. Step 3: Cross multiply
    14,771,645.06x = 20,388,271.40 × 8,662,041.86
  4. Step 4: Simplify right side
    14,771,645.06x = 176,604,060,319,840.78
  5. Step 5: Solve for x
    x = 176,604,060,319,840.78/14,771,645.06
  6. Step 6: Final answer
    x = 11,955,612.23

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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.