Home / 15,330,099.51-21,155,558.28-8,360,793.90

Finding the Fourth Proportional to 15,330,099.51, 21,155,558.28 and 8,360,793.90

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Solution

The fourth proportional to 15,330,099.51, 21,155,558.28 and 8,360,793.90 is: 11,537,907.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,330,099.51 : 21,155,558.28 = 8,360,793.90 : x
  2. Step 2: Convert to fraction form
    15,330,099.51/21,155,558.28 = 8,360,793.90/x
  3. Step 3: Cross multiply
    15,330,099.51x = 21,155,558.28 × 8,360,793.90
  4. Step 4: Simplify right side
    15,330,099.51x = 176,877,262,618,518.50
  5. Step 5: Solve for x
    x = 176,877,262,618,518.50/15,330,099.51
  6. Step 6: Final answer
    x = 11,537,907.01

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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.