Home / 42,009,856.20-63,014,784.30-10,097,152.20

Finding the Fourth Proportional to 42,009,856.20, 63,014,784.30 and 10,097,152.20

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Solution

The fourth proportional to 42,009,856.20, 63,014,784.30 and 10,097,152.20 is: 15,145,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,856.20 : 63,014,784.30 = 10,097,152.20 : x
  2. Step 2: Convert to fraction form
    42,009,856.20/63,014,784.30 = 10,097,152.20/x
  3. Step 3: Cross multiply
    42,009,856.20x = 63,014,784.30 × 10,097,152.20
  4. Step 4: Simplify right side
    42,009,856.20x = 636,269,867,927,270.38
  5. Step 5: Solve for x
    x = 636,269,867,927,270.38/42,009,856.20
  6. Step 6: Final answer
    x = 15,145,728.30

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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.