Home / 15,435,088.96-21,301,111.20-8,559,109.12

Finding the Fourth Proportional to 15,435,088.96, 21,301,111.20 and 8,559,109.12

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Solution

The fourth proportional to 15,435,088.96, 21,301,111.20 and 8,559,109.12 is: 11,811,952.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,435,088.96 : 21,301,111.20 = 8,559,109.12 : x
  2. Step 2: Convert to fraction form
    15,435,088.96/21,301,111.20 = 8,559,109.12/x
  3. Step 3: Cross multiply
    15,435,088.96x = 21,301,111.20 × 8,559,109.12
  4. Step 4: Simplify right side
    15,435,088.96x = 182,318,535,138,054.12
  5. Step 5: Solve for x
    x = 182,318,535,138,054.12/15,435,088.96
  6. Step 6: Final answer
    x = 11,811,952.34

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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.