Home / 13,309,368.39-18,367,778.90-7,506,032.67

Finding the Fourth Proportional to 13,309,368.39, 18,367,778.90 and 7,506,032.67

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Solution

The fourth proportional to 13,309,368.39, 18,367,778.90 and 7,506,032.67 is: 10,358,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309,368.39 : 18,367,778.90 = 7,506,032.67 : x
  2. Step 2: Convert to fraction form
    13,309,368.39/18,367,778.90 = 7,506,032.67/x
  3. Step 3: Cross multiply
    13,309,368.39x = 18,367,778.90 × 7,506,032.67
  4. Step 4: Simplify right side
    13,309,368.39x = 137,869,148,517,501.75
  5. Step 5: Solve for x
    x = 137,869,148,517,501.75/13,309,368.39
  6. Step 6: Final answer
    x = 10,358,804.75

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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.