Home / 30,624,569-42,261,373.11-16,686,038.65

Finding the Fourth Proportional to 30,624,569, 42,261,373.11 and 16,686,038.65

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Solution

The fourth proportional to 30,624,569, 42,261,373.11 and 16,686,038.65 is: 23,026,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,624,569 : 42,261,373.11 = 16,686,038.65 : x
  2. Step 2: Convert to fraction form
    30,624,569/42,261,373.11 = 16,686,038.65/x
  3. Step 3: Cross multiply
    30,624,569x = 42,261,373.11 × 16,686,038.65
  4. Step 4: Simplify right side
    30,624,569x = 705,174,905,115,530.75
  5. Step 5: Solve for x
    x = 705,174,905,115,530.75/30,624,569
  6. Step 6: Final answer
    x = 23,026,443.41

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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.