Home / 10,977,215.32-16,465,859.10-2,779,853.08

Finding the Fourth Proportional to 10,977,215.32, 16,465,859.10 and 2,779,853.08

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Solution

The fourth proportional to 10,977,215.32, 16,465,859.10 and 2,779,853.08 is: 4,169,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977,215.32 : 16,465,859.10 = 2,779,853.08 : x
  2. Step 2: Convert to fraction form
    10,977,215.32/16,465,859.10 = 2,779,853.08/x
  3. Step 3: Cross multiply
    10,977,215.32x = 16,465,859.10 × 2,779,853.08
  4. Step 4: Simplify right side
    10,977,215.32x = 45,772,669,133,981.03
  5. Step 5: Solve for x
    x = 45,772,669,133,981.03/10,977,215.32
  6. Step 6: Final answer
    x = 4,169,788.77

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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.