Home / 10,455,881.40-15,683,822.10-2,779,511.40

Finding the Fourth Proportional to 10,455,881.40, 15,683,822.10 and 2,779,511.40

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Solution

The fourth proportional to 10,455,881.40, 15,683,822.10 and 2,779,511.40 is: 4,169,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455,881.40 : 15,683,822.10 = 2,779,511.40 : x
  2. Step 2: Convert to fraction form
    10,455,881.40/15,683,822.10 = 2,779,511.40/x
  3. Step 3: Cross multiply
    10,455,881.40x = 15,683,822.10 × 2,779,511.40
  4. Step 4: Simplify right side
    10,455,881.40x = 43,593,362,322,521.94
  5. Step 5: Solve for x
    x = 43,593,362,322,521.94/10,455,881.40
  6. Step 6: Final answer
    x = 4,169,267.10

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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.