Home / 30,062,045.28-45,073,886.88-19,815,074.40

Finding the Fourth Proportional to 30,062,045.28, 45,073,886.88 and 19,815,074.40

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Solution

The fourth proportional to 30,062,045.28, 45,073,886.88 and 19,815,074.40 is: 29,709,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,062,045.28 : 45,073,886.88 = 19,815,074.40 : x
  2. Step 2: Convert to fraction form
    30,062,045.28/45,073,886.88 = 19,815,074.40/x
  3. Step 3: Cross multiply
    30,062,045.28x = 45,073,886.88 × 19,815,074.40
  4. Step 4: Simplify right side
    30,062,045.28x = 893,142,422,024,383.88
  5. Step 5: Solve for x
    x = 893,142,422,024,383.88/30,062,045.28
  6. Step 6: Final answer
    x = 29,709,968.62

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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.