Home / 13,065,516-18,030,412.08-7,342,380

Finding the Fourth Proportional to 13,065,516, 18,030,412.08 and 7,342,380

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Solution

The fourth proportional to 13,065,516, 18,030,412.08 and 7,342,380 is: 10,132,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,065,516 : 18,030,412.08 = 7,342,380 : x
  2. Step 2: Convert to fraction form
    13,065,516/18,030,412.08 = 7,342,380/x
  3. Step 3: Cross multiply
    13,065,516x = 18,030,412.08 × 7,342,380
  4. Step 4: Simplify right side
    13,065,516x = 132,386,137,047,950.39
  5. Step 5: Solve for x
    x = 132,386,137,047,950.39/13,065,516
  6. Step 6: Final answer
    x = 10,132,484.40

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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.