Home / 19,662,154.76-29,506,606.86-12,065,935.88

Finding the Fourth Proportional to 19,662,154.76, 29,506,606.86 and 12,065,935.88

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Solution

The fourth proportional to 19,662,154.76, 29,506,606.86 and 12,065,935.88 is: 18,107,111.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,662,154.76 : 29,506,606.86 = 12,065,935.88 : x
  2. Step 2: Convert to fraction form
    19,662,154.76/29,506,606.86 = 12,065,935.88/x
  3. Step 3: Cross multiply
    19,662,154.76x = 29,506,606.86 × 12,065,935.88
  4. Step 4: Simplify right side
    19,662,154.76x = 356,024,826,409,128.12
  5. Step 5: Solve for x
    x = 356,024,826,409,128.12/19,662,154.76
  6. Step 6: Final answer
    x = 18,107,111.39

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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.