Home / 12,954,509.48-17,877,135.30-7,153,656.68

Finding the Fourth Proportional to 12,954,509.48, 17,877,135.30 and 7,153,656.68

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Solution

The fourth proportional to 12,954,509.48, 17,877,135.30 and 7,153,656.68 is: 9,871,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,954,509.48 : 17,877,135.30 = 7,153,656.68 : x
  2. Step 2: Convert to fraction form
    12,954,509.48/17,877,135.30 = 7,153,656.68/x
  3. Step 3: Cross multiply
    12,954,509.48x = 17,877,135.30 × 7,153,656.68
  4. Step 4: Simplify right side
    12,954,509.48x = 127,886,888,358,108.80
  5. Step 5: Solve for x
    x = 127,886,888,358,108.80/12,954,509.48
  6. Step 6: Final answer
    x = 9,871,997.74

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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.