Home / 8,612,497.48-12,918,316.74-3,220,751.50

Finding the Fourth Proportional to 8,612,497.48, 12,918,316.74 and 3,220,751.50

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Solution

The fourth proportional to 8,612,497.48, 12,918,316.74 and 3,220,751.50 is: 4,830,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,497.48 : 12,918,316.74 = 3,220,751.50 : x
  2. Step 2: Convert to fraction form
    8,612,497.48/12,918,316.74 = 3,220,751.50/x
  3. Step 3: Cross multiply
    8,612,497.48x = 12,918,316.74 × 3,220,751.50
  4. Step 4: Simplify right side
    8,612,497.48x = 41,606,688,017,830.11
  5. Step 5: Solve for x
    x = 41,606,688,017,830.11/8,612,497.48
  6. Step 6: Final answer
    x = 4,830,966.64

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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.