Home / 7,157,487.51-9,877,037.13-3,894,315.30

Finding the Fourth Proportional to 7,157,487.51, 9,877,037.13 and 3,894,315.30

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Solution

The fourth proportional to 7,157,487.51, 9,877,037.13 and 3,894,315.30 is: 5,373,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,487.51 : 9,877,037.13 = 3,894,315.30 : x
  2. Step 2: Convert to fraction form
    7,157,487.51/9,877,037.13 = 3,894,315.30/x
  3. Step 3: Cross multiply
    7,157,487.51x = 9,877,037.13 × 3,894,315.30
  4. Step 4: Simplify right side
    7,157,487.51x = 38,464,296,814,027.09
  5. Step 5: Solve for x
    x = 38,464,296,814,027.09/7,157,487.51
  6. Step 6: Final answer
    x = 5,373,994.26

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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.