Home / 19,720,643.10-29,580,964.65-16,697,334.30

Finding the Fourth Proportional to 19,720,643.10, 29,580,964.65 and 16,697,334.30

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Solution

The fourth proportional to 19,720,643.10, 29,580,964.65 and 16,697,334.30 is: 25,046,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,643.10 : 29,580,964.65 = 16,697,334.30 : x
  2. Step 2: Convert to fraction form
    19,720,643.10/29,580,964.65 = 16,697,334.30/x
  3. Step 3: Cross multiply
    19,720,643.10x = 29,580,964.65 × 16,697,334.30
  4. Step 4: Simplify right side
    19,720,643.10x = 493,923,255,677,532.50
  5. Step 5: Solve for x
    x = 493,923,255,677,532.50/19,720,643.10
  6. Step 6: Final answer
    x = 25,046,001.45

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1.5x scale

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.