Home / 9,032,372.40-12,464,859.06-5,112,128.28

Finding the Fourth Proportional to 9,032,372.40, 12,464,859.06 and 5,112,128.28

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Solution

The fourth proportional to 9,032,372.40, 12,464,859.06 and 5,112,128.28 is: 7,054,841.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,032,372.40 : 12,464,859.06 = 5,112,128.28 : x
  2. Step 2: Convert to fraction form
    9,032,372.40/12,464,859.06 = 5,112,128.28/x
  3. Step 3: Cross multiply
    9,032,372.40x = 12,464,859.06 × 5,112,128.28
  4. Step 4: Simplify right side
    9,032,372.40x = 63,721,958,506,840.23
  5. Step 5: Solve for x
    x = 63,721,958,506,840.23/9,032,372.40
  6. Step 6: Final answer
    x = 7,054,841.82

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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.