Home / 8,967,957.69-12,370,258.12-6,390,471.27

Finding the Fourth Proportional to 8,967,957.69, 12,370,258.12 and 6,390,471.27

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Solution

The fourth proportional to 8,967,957.69, 12,370,258.12 and 6,390,471.27 is: 8,814,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,967,957.69 : 12,370,258.12 = 6,390,471.27 : x
  2. Step 2: Convert to fraction form
    8,967,957.69/12,370,258.12 = 6,390,471.27/x
  3. Step 3: Cross multiply
    8,967,957.69x = 12,370,258.12 × 6,390,471.27
  4. Step 4: Simplify right side
    8,967,957.69x = 79,051,779,118,344.20
  5. Step 5: Solve for x
    x = 79,051,779,118,344.20/8,967,957.69
  6. Step 6: Final answer
    x = 8,814,914.37

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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.