Home / 13,303,538.40-19,955,307.60-8,238,424.80

Finding the Fourth Proportional to 13,303,538.40, 19,955,307.60 and 8,238,424.80

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Solution

The fourth proportional to 13,303,538.40, 19,955,307.60 and 8,238,424.80 is: 12,357,637.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,538.40 : 19,955,307.60 = 8,238,424.80 : x
  2. Step 2: Convert to fraction form
    13,303,538.40/19,955,307.60 = 8,238,424.80/x
  3. Step 3: Cross multiply
    13,303,538.40x = 19,955,307.60 × 8,238,424.80
  4. Step 4: Simplify right side
    13,303,538.40x = 164,400,301,023,468.50
  5. Step 5: Solve for x
    x = 164,400,301,023,468.50/13,303,538.40
  6. Step 6: Final answer
    x = 12,357,637.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.