Home / 14,997,394.16-20,696,300.90-8,121,718.88

Finding the Fourth Proportional to 14,997,394.16, 20,696,300.90 and 8,121,718.88

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Solution

The fourth proportional to 14,997,394.16, 20,696,300.90 and 8,121,718.88 is: 11,207,916.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,997,394.16 : 20,696,300.90 = 8,121,718.88 : x
  2. Step 2: Convert to fraction form
    14,997,394.16/20,696,300.90 = 8,121,718.88/x
  3. Step 3: Cross multiply
    14,997,394.16x = 20,696,300.90 × 8,121,718.88
  4. Step 4: Simplify right side
    14,997,394.16x = 168,089,537,765,690.97
  5. Step 5: Solve for x
    x = 168,089,537,765,690.97/14,997,394.16
  6. Step 6: Final answer
    x = 11,207,916.25

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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.