Home / 13,958,438.16-19,277,330.22-12,436,840.20

Finding the Fourth Proportional to 13,958,438.16, 19,277,330.22 and 12,436,840.20

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Solution

The fourth proportional to 13,958,438.16, 19,277,330.22 and 12,436,840.20 is: 17,175,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958,438.16 : 19,277,330.22 = 12,436,840.20 : x
  2. Step 2: Convert to fraction form
    13,958,438.16/19,277,330.22 = 12,436,840.20/x
  3. Step 3: Cross multiply
    13,958,438.16x = 19,277,330.22 × 12,436,840.20
  4. Step 4: Simplify right side
    13,958,438.16x = 239,749,075,428,770.81
  5. Step 5: Solve for x
    x = 239,749,075,428,770.81/13,958,438.16
  6. Step 6: Final answer
    x = 17,175,924.17

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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.