Home / 25,570,725.90-38,355,978.02-6,401,427.60

Finding the Fourth Proportional to 25,570,725.90, 38,355,978.02 and 6,401,427.60

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Solution

The fourth proportional to 25,570,725.90, 38,355,978.02 and 6,401,427.60 is: 9,602,113.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570,725.90 : 38,355,978.02 = 6,401,427.60 : x
  2. Step 2: Convert to fraction form
    25,570,725.90/38,355,978.02 = 6,401,427.60/x
  3. Step 3: Cross multiply
    25,570,725.90x = 38,355,978.02 × 6,401,427.60
  4. Step 4: Simplify right side
    25,570,725.90x = 245,533,016,128,421.38
  5. Step 5: Solve for x
    x = 245,533,016,128,421.38/25,570,725.90
  6. Step 6: Final answer
    x = 9,602,113.65

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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.