Home / 14,445,886.02-19,935,195.51-7,919,396.94

Finding the Fourth Proportional to 14,445,886.02, 19,935,195.51 and 7,919,396.94

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Solution

The fourth proportional to 14,445,886.02, 19,935,195.51 and 7,919,396.94 is: 10,928,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445,886.02 : 19,935,195.51 = 7,919,396.94 : x
  2. Step 2: Convert to fraction form
    14,445,886.02/19,935,195.51 = 7,919,396.94/x
  3. Step 3: Cross multiply
    14,445,886.02x = 19,935,195.51 × 7,919,396.94
  4. Step 4: Simplify right side
    14,445,886.02x = 157,874,726,320,195.75
  5. Step 5: Solve for x
    x = 157,874,726,320,195.75/14,445,886.02
  6. Step 6: Final answer
    x = 10,928,698.05

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1.5x scale

Why These Related Problems?

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