Home / 8,348,980.80-12,532,802.40-6,464,078.40

Finding the Fourth Proportional to 8,348,980.80, 12,532,802.40 and 6,464,078.40

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Solution

The fourth proportional to 8,348,980.80, 12,532,802.40 and 6,464,078.40 is: 9,703,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348,980.80 : 12,532,802.40 = 6,464,078.40 : x
  2. Step 2: Convert to fraction form
    8,348,980.80/12,532,802.40 = 6,464,078.40/x
  3. Step 3: Cross multiply
    8,348,980.80x = 12,532,802.40 × 6,464,078.40
  4. Step 4: Simplify right side
    8,348,980.80x = 81,013,017,285,308.17
  5. Step 5: Solve for x
    x = 81,013,017,285,308.17/8,348,980.80
  6. Step 6: Final answer
    x = 9,703,342.15

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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.