Home / 13,997,407.80-19,317,571.02-7,886,249.40

Finding the Fourth Proportional to 13,997,407.80, 19,317,571.02 and 7,886,249.40

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Solution

The fourth proportional to 13,997,407.80, 19,317,571.02 and 7,886,249.40 is: 10,883,671.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,407.80 : 19,317,571.02 = 7,886,249.40 : x
  2. Step 2: Convert to fraction form
    13,997,407.80/19,317,571.02 = 7,886,249.40/x
  3. Step 3: Cross multiply
    13,997,407.80x = 19,317,571.02 × 7,886,249.40
  4. Step 4: Simplify right side
    13,997,407.80x = 152,343,182,865,932.41
  5. Step 5: Solve for x
    x = 152,343,182,865,932.41/13,997,407.80
  6. Step 6: Final answer
    x = 10,883,671.11

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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.