Home / 9,966,057.10-14,949,085.65-8,531,166.40

Finding the Fourth Proportional to 9,966,057.10, 14,949,085.65 and 8,531,166.40

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Solution

The fourth proportional to 9,966,057.10, 14,949,085.65 and 8,531,166.40 is: 12,796,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,057.10 : 14,949,085.65 = 8,531,166.40 : x
  2. Step 2: Convert to fraction form
    9,966,057.10/14,949,085.65 = 8,531,166.40/x
  3. Step 3: Cross multiply
    9,966,057.10x = 14,949,085.65 × 8,531,166.40
  4. Step 4: Simplify right side
    9,966,057.10x = 127,533,137,208,002.17
  5. Step 5: Solve for x
    x = 127,533,137,208,002.17/9,966,057.10
  6. Step 6: Final answer
    x = 12,796,749.60

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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.