Home / 30,046,502.78-45,069,684.06-19,736,799.08

Finding the Fourth Proportional to 30,046,502.78, 45,069,684.06 and 19,736,799.08

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Solution

The fourth proportional to 30,046,502.78, 45,069,684.06 and 19,736,799.08 is: 29,605,152.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046,502.78 : 45,069,684.06 = 19,736,799.08 : x
  2. Step 2: Convert to fraction form
    30,046,502.78/45,069,684.06 = 19,736,799.08/x
  3. Step 3: Cross multiply
    30,046,502.78x = 45,069,684.06 × 19,736,799.08
  4. Step 4: Simplify right side
    30,046,502.78x = 889,531,298,891,298.62
  5. Step 5: Solve for x
    x = 889,531,298,891,298.62/30,046,502.78
  6. Step 6: Final answer
    x = 29,605,152.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.