Home / 12,817,986.72-17,688,820.26-7,016,772.36

Finding the Fourth Proportional to 12,817,986.72, 17,688,820.26 and 7,016,772.36

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Solution

The fourth proportional to 12,817,986.72, 17,688,820.26 and 7,016,772.36 is: 9,683,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,817,986.72 : 17,688,820.26 = 7,016,772.36 : x
  2. Step 2: Convert to fraction form
    12,817,986.72/17,688,820.26 = 7,016,772.36/x
  3. Step 3: Cross multiply
    12,817,986.72x = 17,688,820.26 × 7,016,772.36
  4. Step 4: Simplify right side
    12,817,986.72x = 124,118,425,081,376.03
  5. Step 5: Solve for x
    x = 124,118,425,081,376.03/12,817,986.72
  6. Step 6: Final answer
    x = 9,683,145.08

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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.