Home / 13,452,030.45-20,178,045.68-4,935,688.43

Finding the Fourth Proportional to 13,452,030.45, 20,178,045.68 and 4,935,688.43

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Solution

The fourth proportional to 13,452,030.45, 20,178,045.68 and 4,935,688.43 is: 7,403,532.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452,030.45 : 20,178,045.68 = 4,935,688.43 : x
  2. Step 2: Convert to fraction form
    13,452,030.45/20,178,045.68 = 4,935,688.43/x
  3. Step 3: Cross multiply
    13,452,030.45x = 20,178,045.68 × 4,935,688.43
  4. Step 4: Simplify right side
    13,452,030.45x = 99,592,546,477,218.81
  5. Step 5: Solve for x
    x = 99,592,546,477,218.81/13,452,030.45
  6. Step 6: Final answer
    x = 7,403,532.64

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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.