Home / 30,628,338.56-42,264,505.44-17,575,316.76

Finding the Fourth Proportional to 30,628,338.56, 42,264,505.44 and 17,575,316.76

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Solution

The fourth proportional to 30,628,338.56, 42,264,505.44 and 17,575,316.76 is: 24,252,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,628,338.56 : 42,264,505.44 = 17,575,316.76 : x
  2. Step 2: Convert to fraction form
    30,628,338.56/42,264,505.44 = 17,575,316.76/x
  3. Step 3: Cross multiply
    30,628,338.56x = 42,264,505.44 × 17,575,316.76
  4. Step 4: Simplify right side
    30,628,338.56x = 742,812,070,812,743.25
  5. Step 5: Solve for x
    x = 742,812,070,812,743.25/30,628,338.56
  6. Step 6: Final answer
    x = 24,252,444.17

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Double scale
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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.