Home / 14,005,836.38-19,328,015.36-7,810,888.93

Finding the Fourth Proportional to 14,005,836.38, 19,328,015.36 and 7,810,888.93

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Solution

The fourth proportional to 14,005,836.38, 19,328,015.36 and 7,810,888.93 is: 10,779,005.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005,836.38 : 19,328,015.36 = 7,810,888.93 : x
  2. Step 2: Convert to fraction form
    14,005,836.38/19,328,015.36 = 7,810,888.93/x
  3. Step 3: Cross multiply
    14,005,836.38x = 19,328,015.36 × 7,810,888.93
  4. Step 4: Simplify right side
    14,005,836.38x = 150,968,981,185,501.16
  5. Step 5: Solve for x
    x = 150,968,981,185,501.16/14,005,836.38
  6. Step 6: Final answer
    x = 10,779,005.06

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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.