Home / 9,672,102.10-13,346,970.51-5,320,480.78

Finding the Fourth Proportional to 9,672,102.10, 13,346,970.51 and 5,320,480.78

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Solution

The fourth proportional to 9,672,102.10, 13,346,970.51 and 5,320,480.78 is: 7,341,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672,102.10 : 13,346,970.51 = 5,320,480.78 : x
  2. Step 2: Convert to fraction form
    9,672,102.10/13,346,970.51 = 5,320,480.78/x
  3. Step 3: Cross multiply
    9,672,102.10x = 13,346,970.51 × 5,320,480.78
  4. Step 4: Simplify right side
    9,672,102.10x = 71,012,300,069,681.80
  5. Step 5: Solve for x
    x = 71,012,300,069,681.80/9,672,102.10
  6. Step 6: Final answer
    x = 7,341,971.72

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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.