Home / 12,896,672.60-19,345,008.90-9,117,536.60

Finding the Fourth Proportional to 12,896,672.60, 19,345,008.90 and 9,117,536.60

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Solution

The fourth proportional to 12,896,672.60, 19,345,008.90 and 9,117,536.60 is: 13,676,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896,672.60 : 19,345,008.90 = 9,117,536.60 : x
  2. Step 2: Convert to fraction form
    12,896,672.60/19,345,008.90 = 9,117,536.60/x
  3. Step 3: Cross multiply
    12,896,672.60x = 19,345,008.90 × 9,117,536.60
  4. Step 4: Simplify right side
    12,896,672.60x = 176,378,826,673,075.72
  5. Step 5: Solve for x
    x = 176,378,826,673,075.72/12,896,672.60
  6. Step 6: Final answer
    x = 13,676,304.90

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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.