Home / 13,303,533.90-19,955,300.85-8,238,420.30

Finding the Fourth Proportional to 13,303,533.90, 19,955,300.85 and 8,238,420.30

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Solution

The fourth proportional to 13,303,533.90, 19,955,300.85 and 8,238,420.30 is: 12,357,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,533.90 : 19,955,300.85 = 8,238,420.30 : x
  2. Step 2: Convert to fraction form
    13,303,533.90/19,955,300.85 = 8,238,420.30/x
  3. Step 3: Cross multiply
    13,303,533.90x = 19,955,300.85 × 8,238,420.30
  4. Step 4: Simplify right side
    13,303,533.90x = 164,400,155,615,247.25
  5. Step 5: Solve for x
    x = 164,400,155,615,247.25/13,303,533.90
  6. Step 6: Final answer
    x = 12,357,630.45

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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.