Home / 12,447,567.60-18,671,351.40-4,872,015.60

Finding the Fourth Proportional to 12,447,567.60, 18,671,351.40 and 4,872,015.60

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Solution

The fourth proportional to 12,447,567.60, 18,671,351.40 and 4,872,015.60 is: 7,308,023.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,567.60 : 18,671,351.40 = 4,872,015.60 : x
  2. Step 2: Convert to fraction form
    12,447,567.60/18,671,351.40 = 4,872,015.60/x
  3. Step 3: Cross multiply
    12,447,567.60x = 18,671,351.40 × 4,872,015.60
  4. Step 4: Simplify right side
    12,447,567.60x = 90,967,115,293,881.83
  5. Step 5: Solve for x
    x = 90,967,115,293,881.83/12,447,567.60
  6. Step 6: Final answer
    x = 7,308,023.40

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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.