Home / 12,712,289.38-17,543,158.86-6,911,093.32

Finding the Fourth Proportional to 12,712,289.38, 17,543,158.86 and 6,911,093.32

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Solution

The fourth proportional to 12,712,289.38, 17,543,158.86 and 6,911,093.32 is: 9,537,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712,289.38 : 17,543,158.86 = 6,911,093.32 : x
  2. Step 2: Convert to fraction form
    12,712,289.38/17,543,158.86 = 6,911,093.32/x
  3. Step 3: Cross multiply
    12,712,289.38x = 17,543,158.86 × 6,911,093.32
  4. Step 4: Simplify right side
    12,712,289.38x = 121,242,408,009,044.81
  5. Step 5: Solve for x
    x = 121,242,408,009,044.81/12,712,289.38
  6. Step 6: Final answer
    x = 9,537,417.25

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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.