Home / 30,660,196.52-42,311,113.14-16,721,585.30

Finding the Fourth Proportional to 30,660,196.52, 42,311,113.14 and 16,721,585.30

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Solution

The fourth proportional to 30,660,196.52, 42,311,113.14 and 16,721,585.30 is: 23,075,810.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,660,196.52 : 42,311,113.14 = 16,721,585.30 : x
  2. Step 2: Convert to fraction form
    30,660,196.52/42,311,113.14 = 16,721,585.30/x
  3. Step 3: Cross multiply
    30,660,196.52x = 42,311,113.14 × 16,721,585.30
  4. Step 4: Simplify right side
    30,660,196.52x = 707,508,887,508,460.88
  5. Step 5: Solve for x
    x = 707,508,887,508,460.88/30,660,196.52
  6. Step 6: Final answer
    x = 23,075,810.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.