Home / 10,307,069.10-15,460,603.65-9,315,045.90

Finding the Fourth Proportional to 10,307,069.10, 15,460,603.65 and 9,315,045.90

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Solution

The fourth proportional to 10,307,069.10, 15,460,603.65 and 9,315,045.90 is: 13,972,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307,069.10 : 15,460,603.65 = 9,315,045.90 : x
  2. Step 2: Convert to fraction form
    10,307,069.10/15,460,603.65 = 9,315,045.90/x
  3. Step 3: Cross multiply
    10,307,069.10x = 15,460,603.65 × 9,315,045.90
  4. Step 4: Simplify right side
    10,307,069.10x = 144,016,232,641,457.53
  5. Step 5: Solve for x
    x = 144,016,232,641,457.53/10,307,069.10
  6. Step 6: Final answer
    x = 13,972,568.85

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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.