Home / 28,827,349.80-39,781,741.08-15,774,610.28

Finding the Fourth Proportional to 28,827,349.80, 39,781,741.08 and 15,774,610.28

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Solution

The fourth proportional to 28,827,349.80, 39,781,741.08 and 15,774,610.28 is: 21,768,961.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,827,349.80 : 39,781,741.08 = 15,774,610.28 : x
  2. Step 2: Convert to fraction form
    28,827,349.80/39,781,741.08 = 15,774,610.28/x
  3. Step 3: Cross multiply
    28,827,349.80x = 39,781,741.08 × 15,774,610.28
  4. Step 4: Simplify right side
    28,827,349.80x = 627,541,461,796,866.25
  5. Step 5: Solve for x
    x = 627,541,461,796,866.25/28,827,349.80
  6. Step 6: Final answer
    x = 21,768,961.29

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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.