Home / 13,222,116.42-18,248,360.88-7,343,071.62

Finding the Fourth Proportional to 13,222,116.42, 18,248,360.88 and 7,343,071.62

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Solution

The fourth proportional to 13,222,116.42, 18,248,360.88 and 7,343,071.62 is: 10,134,460.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222,116.42 : 18,248,360.88 = 7,343,071.62 : x
  2. Step 2: Convert to fraction form
    13,222,116.42/18,248,360.88 = 7,343,071.62/x
  3. Step 3: Cross multiply
    13,222,116.42x = 18,248,360.88 × 7,343,071.62
  4. Step 4: Simplify right side
    13,222,116.42x = 133,999,020,889,446.22
  5. Step 5: Solve for x
    x = 133,999,020,889,446.22/13,222,116.42
  6. Step 6: Final answer
    x = 10,134,460.83

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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.