Home / 9,447,430.40-14,208,470.40-8,476,985.60

Finding the Fourth Proportional to 9,447,430.40, 14,208,470.40 and 8,476,985.60

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Solution

The fourth proportional to 9,447,430.40, 14,208,470.40 and 8,476,985.60 is: 12,748,969.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447,430.40 : 14,208,470.40 = 8,476,985.60 : x
  2. Step 2: Convert to fraction form
    9,447,430.40/14,208,470.40 = 8,476,985.60/x
  3. Step 3: Cross multiply
    9,447,430.40x = 14,208,470.40 × 8,476,985.60
  4. Step 4: Simplify right side
    9,447,430.40x = 120,444,998,978,826.23
  5. Step 5: Solve for x
    x = 120,444,998,978,826.23/9,447,430.40
  6. Step 6: Final answer
    x = 12,748,969.18

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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.