Home / 9,989,692.74-13,785,818.90-5,406,014.12

Finding the Fourth Proportional to 9,989,692.74, 13,785,818.90 and 5,406,014.12

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Solution

The fourth proportional to 9,989,692.74, 13,785,818.90 and 5,406,014.12 is: 7,460,322.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,989,692.74 : 13,785,818.90 = 5,406,014.12 : x
  2. Step 2: Convert to fraction form
    9,989,692.74/13,785,818.90 = 5,406,014.12/x
  3. Step 3: Cross multiply
    9,989,692.74x = 13,785,818.90 × 5,406,014.12
  4. Step 4: Simplify right side
    9,989,692.74x = 74,526,331,533,203.70
  5. Step 5: Solve for x
    x = 74,526,331,533,203.70/9,989,692.74
  6. Step 6: Final answer
    x = 7,460,322.70

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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.