Home / 39,156,431.52-58,735,806-18,688,308

Finding the Fourth Proportional to 39,156,431.52, 58,735,806 and 18,688,308

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Solution

The fourth proportional to 39,156,431.52, 58,735,806 and 18,688,308 is: 28,033,015.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,156,431.52 : 58,735,806 = 18,688,308 : x
  2. Step 2: Convert to fraction form
    39,156,431.52/58,735,806 = 18,688,308/x
  3. Step 3: Cross multiply
    39,156,431.52x = 58,735,806 × 18,688,308
  4. Step 4: Simplify right side
    39,156,431.52x = 1,097,672,833,156,248
  5. Step 5: Solve for x
    x = 1,097,672,833,156,248/39,156,431.52
  6. Step 6: Final answer
    x = 28,033,015.03

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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.