Home / 13,614,411.95-18,787,889.01-7,502,840.45

Finding the Fourth Proportional to 13,614,411.95, 18,787,889.01 and 7,502,840.45

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Solution

The fourth proportional to 13,614,411.95, 18,787,889.01 and 7,502,840.45 is: 10,353,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,411.95 : 18,787,889.01 = 7,502,840.45 : x
  2. Step 2: Convert to fraction form
    13,614,411.95/18,787,889.01 = 7,502,840.45/x
  3. Step 3: Cross multiply
    13,614,411.95x = 18,787,889.01 × 7,502,840.45
  4. Step 4: Simplify right side
    13,614,411.95x = 140,962,533,634,338.47
  5. Step 5: Solve for x
    x = 140,962,533,634,338.47/13,614,411.95
  6. Step 6: Final answer
    x = 10,353,920.11

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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.