Home / 13,156,739.40-19,736,462.70-4,966,280.58

Finding the Fourth Proportional to 13,156,739.40, 19,736,462.70 and 4,966,280.58

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Solution

The fourth proportional to 13,156,739.40, 19,736,462.70 and 4,966,280.58 is: 7,449,931.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156,739.40 : 19,736,462.70 = 4,966,280.58 : x
  2. Step 2: Convert to fraction form
    13,156,739.40/19,736,462.70 = 4,966,280.58/x
  3. Step 3: Cross multiply
    13,156,739.40x = 19,736,462.70 × 4,966,280.58
  4. Step 4: Simplify right side
    13,156,739.40x = 98,016,811,424,904.36
  5. Step 5: Solve for x
    x = 98,016,811,424,904.36/13,156,739.40
  6. Step 6: Final answer
    x = 7,449,931.81

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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.