Home / 8,642,868-11,927,109.24-4,775,390.16

Finding the Fourth Proportional to 8,642,868, 11,927,109.24 and 4,775,390.16

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Solution

The fourth proportional to 8,642,868, 11,927,109.24 and 4,775,390.16 is: 6,590,011.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,868 : 11,927,109.24 = 4,775,390.16 : x
  2. Step 2: Convert to fraction form
    8,642,868/11,927,109.24 = 4,775,390.16/x
  3. Step 3: Cross multiply
    8,642,868x = 11,927,109.24 × 4,775,390.16
  4. Step 4: Simplify right side
    8,642,868x = 56,956,600,101,941.08
  5. Step 5: Solve for x
    x = 56,956,600,101,941.08/8,642,868
  6. Step 6: Final answer
    x = 6,590,011.57

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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.