Home / 12,247,870.55-16,902,060.39-6,666,157.08

Finding the Fourth Proportional to 12,247,870.55, 16,902,060.39 and 6,666,157.08

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Solution

The fourth proportional to 12,247,870.55, 16,902,060.39 and 6,666,157.08 is: 9,199,296.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247,870.55 : 16,902,060.39 = 6,666,157.08 : x
  2. Step 2: Convert to fraction form
    12,247,870.55/16,902,060.39 = 6,666,157.08/x
  3. Step 3: Cross multiply
    12,247,870.55x = 16,902,060.39 × 6,666,157.08
  4. Step 4: Simplify right side
    12,247,870.55x = 112,671,789,535,386.06
  5. Step 5: Solve for x
    x = 112,671,789,535,386.06/12,247,870.55
  6. Step 6: Final answer
    x = 9,199,296.25

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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.