Home / 12,152,486.70-16,772,017.95-6,996,065.58

Finding the Fourth Proportional to 12,152,486.70, 16,772,017.95 and 6,996,065.58

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Solution

The fourth proportional to 12,152,486.70, 16,772,017.95 and 6,996,065.58 is: 9,655,483.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,486.70 : 16,772,017.95 = 6,996,065.58 : x
  2. Step 2: Convert to fraction form
    12,152,486.70/16,772,017.95 = 6,996,065.58/x
  3. Step 3: Cross multiply
    12,152,486.70x = 16,772,017.95 × 6,996,065.58
  4. Step 4: Simplify right side
    12,152,486.70x = 117,338,137,487,137.16
  5. Step 5: Solve for x
    x = 117,338,137,487,137.16/12,152,486.70
  6. Step 6: Final answer
    x = 9,655,483.72

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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.