Home / 19,688,910.10-29,533,365.15-12,886,465.30

Finding the Fourth Proportional to 19,688,910.10, 29,533,365.15 and 12,886,465.30

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Solution

The fourth proportional to 19,688,910.10, 29,533,365.15 and 12,886,465.30 is: 19,329,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688,910.10 : 29,533,365.15 = 12,886,465.30 : x
  2. Step 2: Convert to fraction form
    19,688,910.10/29,533,365.15 = 12,886,465.30/x
  3. Step 3: Cross multiply
    19,688,910.10x = 29,533,365.15 × 12,886,465.30
  4. Step 4: Simplify right side
    19,688,910.10x = 380,580,685,197,704.31
  5. Step 5: Solve for x
    x = 380,580,685,197,704.31/19,688,910.10
  6. Step 6: Final answer
    x = 19,329,697.95

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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.