Home / 14,778,430.64-20,408,318.54-13,973,308.28

Finding the Fourth Proportional to 14,778,430.64, 20,408,318.54 and 13,973,308.28

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Solution

The fourth proportional to 14,778,430.64, 20,408,318.54 and 13,973,308.28 is: 19,296,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778,430.64 : 20,408,318.54 = 13,973,308.28 : x
  2. Step 2: Convert to fraction form
    14,778,430.64/20,408,318.54 = 13,973,308.28/x
  3. Step 3: Cross multiply
    14,778,430.64x = 20,408,318.54 × 13,973,308.28
  4. Step 4: Simplify right side
    14,778,430.64x = 285,171,726,435,859.50
  5. Step 5: Solve for x
    x = 285,171,726,435,859.50/14,778,430.64
  6. Step 6: Final answer
    x = 19,296,482.38

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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.