Home / 12,877,534.57-17,771,139.15-7,076,317.81

Finding the Fourth Proportional to 12,877,534.57, 17,771,139.15 and 7,076,317.81

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Solution

The fourth proportional to 12,877,534.57, 17,771,139.15 and 7,076,317.81 is: 9,765,396.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,877,534.57 : 17,771,139.15 = 7,076,317.81 : x
  2. Step 2: Convert to fraction form
    12,877,534.57/17,771,139.15 = 7,076,317.81/x
  3. Step 3: Cross multiply
    12,877,534.57x = 17,771,139.15 × 7,076,317.81
  4. Step 4: Simplify right side
    12,877,534.57x = 125,754,228,471,133.25
  5. Step 5: Solve for x
    x = 125,754,228,471,133.25/12,877,534.57
  6. Step 6: Final answer
    x = 9,765,396.30

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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.