Home / 14,496,430.14-20,005,113.51-7,970,726.70

Finding the Fourth Proportional to 14,496,430.14, 20,005,113.51 and 7,970,726.70

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Solution

The fourth proportional to 14,496,430.14, 20,005,113.51 and 7,970,726.70 is: 10,999,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,496,430.14 : 20,005,113.51 = 7,970,726.70 : x
  2. Step 2: Convert to fraction form
    14,496,430.14/20,005,113.51 = 7,970,726.70/x
  3. Step 3: Cross multiply
    14,496,430.14x = 20,005,113.51 × 7,970,726.70
  4. Step 4: Simplify right side
    14,496,430.14x = 159,455,292,390,687.72
  5. Step 5: Solve for x
    x = 159,455,292,390,687.72/14,496,430.14
  6. Step 6: Final answer
    x = 10,999,624.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.