Home / 9,170,637.50-12,642,141.56-6,408,750.26

Finding the Fourth Proportional to 9,170,637.50, 12,642,141.56 and 6,408,750.26

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Solution

The fourth proportional to 9,170,637.50, 12,642,141.56 and 6,408,750.26 is: 8,834,754.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170,637.50 : 12,642,141.56 = 6,408,750.26 : x
  2. Step 2: Convert to fraction form
    9,170,637.50/12,642,141.56 = 6,408,750.26/x
  3. Step 3: Cross multiply
    9,170,637.50x = 12,642,141.56 × 6,408,750.26
  4. Step 4: Simplify right side
    9,170,637.50x = 81,020,328,009,606.81
  5. Step 5: Solve for x
    x = 81,020,328,009,606.81/9,170,637.50
  6. Step 6: Final answer
    x = 8,834,754.18

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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.