Home / 11,868,411-16,378,407.24-6,435,907.32

Finding the Fourth Proportional to 11,868,411, 16,378,407.24 and 6,435,907.32

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Solution

The fourth proportional to 11,868,411, 16,378,407.24 and 6,435,907.32 is: 8,881,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,868,411 : 16,378,407.24 = 6,435,907.32 : x
  2. Step 2: Convert to fraction form
    11,868,411/16,378,407.24 = 6,435,907.32/x
  3. Step 3: Cross multiply
    11,868,411x = 16,378,407.24 × 6,435,907.32
  4. Step 4: Simplify right side
    11,868,411x = 105,409,911,045,857
  5. Step 5: Solve for x
    x = 105,409,911,045,857/11,868,411
  6. Step 6: Final answer
    x = 8,881,552.13

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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.