Home / 12,838,800.60-19,258,200.90-8,303,837.40

Finding the Fourth Proportional to 12,838,800.60, 19,258,200.90 and 8,303,837.40

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Solution

The fourth proportional to 12,838,800.60, 19,258,200.90 and 8,303,837.40 is: 12,455,756.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,838,800.60 : 19,258,200.90 = 8,303,837.40 : x
  2. Step 2: Convert to fraction form
    12,838,800.60/19,258,200.90 = 8,303,837.40/x
  3. Step 3: Cross multiply
    12,838,800.60x = 19,258,200.90 × 8,303,837.40
  4. Step 4: Simplify right side
    12,838,800.60x = 159,916,968,890,133.66
  5. Step 5: Solve for x
    x = 159,916,968,890,133.66/12,838,800.60
  6. Step 6: Final answer
    x = 12,455,756.10

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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.