Home / 13,247,999.70-19,872,655.65-6,870,707.70

Finding the Fourth Proportional to 13,247,999.70, 19,872,655.65 and 6,870,707.70

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Solution

The fourth proportional to 13,247,999.70, 19,872,655.65 and 6,870,707.70 is: 10,306,401.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,247,999.70 : 19,872,655.65 = 6,870,707.70 : x
  2. Step 2: Convert to fraction form
    13,247,999.70/19,872,655.65 = 6,870,707.70/x
  3. Step 3: Cross multiply
    13,247,999.70x = 19,872,655.65 × 6,870,707.70
  4. Step 4: Simplify right side
    13,247,999.70x = 136,539,208,193,903.50
  5. Step 5: Solve for x
    x = 136,539,208,193,903.50/13,247,999.70
  6. Step 6: Final answer
    x = 10,306,401.82

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1.5x scale

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.