Home / 7,172,902.08-9,898,607.66-4,075,429.38

Finding the Fourth Proportional to 7,172,902.08, 9,898,607.66 and 4,075,429.38

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Solution

The fourth proportional to 7,172,902.08, 9,898,607.66 and 4,075,429.38 is: 5,624,094.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,172,902.08 : 9,898,607.66 = 4,075,429.38 : x
  2. Step 2: Convert to fraction form
    7,172,902.08/9,898,607.66 = 4,075,429.38/x
  3. Step 3: Cross multiply
    7,172,902.08x = 9,898,607.66 × 4,075,429.38
  4. Step 4: Simplify right side
    7,172,902.08x = 40,341,076,421,160.12
  5. Step 5: Solve for x
    x = 40,341,076,421,160.12/7,172,902.08
  6. Step 6: Final answer
    x = 5,624,094.12

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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.