Home / 10,865,657.80-16,298,486.70-3,291,639.40

Finding the Fourth Proportional to 10,865,657.80, 16,298,486.70 and 3,291,639.40

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Solution

The fourth proportional to 10,865,657.80, 16,298,486.70 and 3,291,639.40 is: 4,937,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,657.80 : 16,298,486.70 = 3,291,639.40 : x
  2. Step 2: Convert to fraction form
    10,865,657.80/16,298,486.70 = 3,291,639.40/x
  3. Step 3: Cross multiply
    10,865,657.80x = 16,298,486.70 × 3,291,639.40
  4. Step 4: Simplify right side
    10,865,657.80x = 53,648,740,982,095.98
  5. Step 5: Solve for x
    x = 53,648,740,982,095.98/10,865,657.80
  6. Step 6: Final answer
    x = 4,937,459.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.