Home / 13,308,931.10-19,963,331.85-5,216,188.70

Finding the Fourth Proportional to 13,308,931.10, 19,963,331.85 and 5,216,188.70

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Solution

The fourth proportional to 13,308,931.10, 19,963,331.85 and 5,216,188.70 is: 7,824,257.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,308,931.10 : 19,963,331.85 = 5,216,188.70 : x
  2. Step 2: Convert to fraction form
    13,308,931.10/19,963,331.85 = 5,216,188.70/x
  3. Step 3: Cross multiply
    13,308,931.10x = 19,963,331.85 × 5,216,188.70
  4. Step 4: Simplify right side
    13,308,931.10x = 104,132,506,010,320.11
  5. Step 5: Solve for x
    x = 104,132,506,010,320.11/13,308,931.10
  6. Step 6: Final answer
    x = 7,824,257.65

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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.