Home / 14,190,274.30-21,285,411.45-8,516,904.70

Finding the Fourth Proportional to 14,190,274.30, 21,285,411.45 and 8,516,904.70

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Solution

The fourth proportional to 14,190,274.30, 21,285,411.45 and 8,516,904.70 is: 12,775,357.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190,274.30 : 21,285,411.45 = 8,516,904.70 : x
  2. Step 2: Convert to fraction form
    14,190,274.30/21,285,411.45 = 8,516,904.70/x
  3. Step 3: Cross multiply
    14,190,274.30x = 21,285,411.45 × 8,516,904.70
  4. Step 4: Simplify right side
    14,190,274.30x = 181,285,820,819,938.78
  5. Step 5: Solve for x
    x = 181,285,820,819,938.78/14,190,274.30
  6. Step 6: Final answer
    x = 12,775,357.05

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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.