Home / 21,559,943.10-32,339,914.65-10,778,907.90

Finding the Fourth Proportional to 21,559,943.10, 32,339,914.65 and 10,778,907.90

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Solution

The fourth proportional to 21,559,943.10, 32,339,914.65 and 10,778,907.90 is: 16,168,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559,943.10 : 32,339,914.65 = 10,778,907.90 : x
  2. Step 2: Convert to fraction form
    21,559,943.10/32,339,914.65 = 10,778,907.90/x
  3. Step 3: Cross multiply
    21,559,943.10x = 32,339,914.65 × 10,778,907.90
  4. Step 4: Simplify right side
    21,559,943.10x = 348,588,961,506,210.75
  5. Step 5: Solve for x
    x = 348,588,961,506,210.75/21,559,943.10
  6. Step 6: Final answer
    x = 16,168,361.85

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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.