Home / 8,742,811.22-12,065,157.98-4,822,717.40

Finding the Fourth Proportional to 8,742,811.22, 12,065,157.98 and 4,822,717.40

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Solution

The fourth proportional to 8,742,811.22, 12,065,157.98 and 4,822,717.40 is: 6,655,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,811.22 : 12,065,157.98 = 4,822,717.40 : x
  2. Step 2: Convert to fraction form
    8,742,811.22/12,065,157.98 = 4,822,717.40/x
  3. Step 3: Cross multiply
    8,742,811.22x = 12,065,157.98 × 4,822,717.40
  4. Step 4: Simplify right side
    8,742,811.22x = 58,186,847,323,894.86
  5. Step 5: Solve for x
    x = 58,186,847,323,894.86/8,742,811.22
  6. Step 6: Final answer
    x = 6,655,393.31

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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.