Home / 13,550,019.60-18,699,045-7,355,062.20

Finding the Fourth Proportional to 13,550,019.60, 18,699,045 and 7,355,062.20

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Solution

The fourth proportional to 13,550,019.60, 18,699,045 and 7,355,062.20 is: 10,149,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,550,019.60 : 18,699,045 = 7,355,062.20 : x
  2. Step 2: Convert to fraction form
    13,550,019.60/18,699,045 = 7,355,062.20/x
  3. Step 3: Cross multiply
    13,550,019.60x = 18,699,045 × 7,355,062.20
  4. Step 4: Simplify right side
    13,550,019.60x = 137,532,639,055,599
  5. Step 5: Solve for x
    x = 137,532,639,055,599/13,550,019.60
  6. Step 6: Final answer
    x = 10,149,995.58

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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.