Home / 12,816,574.48-17,687,322.71-7,015,360.96

Finding the Fourth Proportional to 12,816,574.48, 17,687,322.71 and 7,015,360.96

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Solution

The fourth proportional to 12,816,574.48, 17,687,322.71 and 7,015,360.96 is: 9,681,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,816,574.48 : 17,687,322.71 = 7,015,360.96 : x
  2. Step 2: Convert to fraction form
    12,816,574.48/17,687,322.71 = 7,015,360.96/x
  3. Step 3: Cross multiply
    12,816,574.48x = 17,687,322.71 × 7,015,360.96
  4. Step 4: Simplify right side
    12,816,574.48x = 124,082,953,226,655.41
  5. Step 5: Solve for x
    x = 124,082,953,226,655.41/12,816,574.48
  6. Step 6: Final answer
    x = 9,681,444.40

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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.