Home / 13,539,206.25-18,679,560.93-7,733,877.93

Finding the Fourth Proportional to 13,539,206.25, 18,679,560.93 and 7,733,877.93

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Solution

The fourth proportional to 13,539,206.25, 18,679,560.93 and 7,733,877.93 is: 10,670,156.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,539,206.25 : 18,679,560.93 = 7,733,877.93 : x
  2. Step 2: Convert to fraction form
    13,539,206.25/18,679,560.93 = 7,733,877.93/x
  3. Step 3: Cross multiply
    13,539,206.25x = 18,679,560.93 × 7,733,877.93
  4. Step 4: Simplify right side
    13,539,206.25x = 144,465,444,018,617.28
  5. Step 5: Solve for x
    x = 144,465,444,018,617.28/13,539,206.25
  6. Step 6: Final answer
    x = 10,670,156.09

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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.