Home / 12,988,898.70-19,484,576.85-3,533,282.70

Finding the Fourth Proportional to 12,988,898.70, 19,484,576.85 and 3,533,282.70

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Solution

The fourth proportional to 12,988,898.70, 19,484,576.85 and 3,533,282.70 is: 5,300,258.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,988,898.70 : 19,484,576.85 = 3,533,282.70 : x
  2. Step 2: Convert to fraction form
    12,988,898.70/19,484,576.85 = 3,533,282.70/x
  3. Step 3: Cross multiply
    12,988,898.70x = 19,484,576.85 × 3,533,282.70
  4. Step 4: Simplify right side
    12,988,898.70x = 68,844,518,300,925.50
  5. Step 5: Solve for x
    x = 68,844,518,300,925.50/12,988,898.70
  6. Step 6: Final answer
    x = 5,300,258.31

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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.