Home / 14,798,728.64-20,421,109.30-8,996,705.12

Finding the Fourth Proportional to 14,798,728.64, 20,421,109.30 and 8,996,705.12

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Solution

The fourth proportional to 14,798,728.64, 20,421,109.30 and 8,996,705.12 is: 12,414,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,798,728.64 : 20,421,109.30 = 8,996,705.12 : x
  2. Step 2: Convert to fraction form
    14,798,728.64/20,421,109.30 = 8,996,705.12/x
  3. Step 3: Cross multiply
    14,798,728.64x = 20,421,109.30 × 8,996,705.12
  4. Step 4: Simplify right side
    14,798,728.64x = 183,722,698,595,389.59
  5. Step 5: Solve for x
    x = 183,722,698,595,389.59/14,798,728.64
  6. Step 6: Final answer
    x = 12,414,762.31

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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.