Home / 9,887,950.77-13,645,370.09-5,477,962.97

Finding the Fourth Proportional to 9,887,950.77, 13,645,370.09 and 5,477,962.97

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Solution

The fourth proportional to 9,887,950.77, 13,645,370.09 and 5,477,962.97 is: 7,559,587.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887,950.77 : 13,645,370.09 = 5,477,962.97 : x
  2. Step 2: Convert to fraction form
    9,887,950.77/13,645,370.09 = 5,477,962.97/x
  3. Step 3: Cross multiply
    9,887,950.77x = 13,645,370.09 × 5,477,962.97
  4. Step 4: Simplify right side
    9,887,950.77x = 74,748,832,037,575.75
  5. Step 5: Solve for x
    x = 74,748,832,037,575.75/9,887,950.77
  6. Step 6: Final answer
    x = 7,559,587.81

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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.