Home / 30,046,493.76-45,069,670.57-19,736,790.07

Finding the Fourth Proportional to 30,046,493.76, 45,069,670.57 and 19,736,790.07

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Solution

The fourth proportional to 30,046,493.76, 45,069,670.57 and 19,736,790.07 is: 29,605,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046,493.76 : 45,069,670.57 = 19,736,790.07 : x
  2. Step 2: Convert to fraction form
    30,046,493.76/45,069,670.57 = 19,736,790.07/x
  3. Step 3: Cross multiply
    30,046,493.76x = 45,069,670.57 × 19,736,790.07
  4. Step 4: Simplify right side
    30,046,493.76x = 889,530,626,465,463.25
  5. Step 5: Solve for x
    x = 889,530,626,465,463.25/30,046,493.76
  6. Step 6: Final answer
    x = 29,605,139.07

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1.5x scale

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.