Home / 28,643,270.04-42,963,739.80-7,077,328.62

Finding the Fourth Proportional to 28,643,270.04, 42,963,739.80 and 7,077,328.62

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Solution

The fourth proportional to 28,643,270.04, 42,963,739.80 and 7,077,328.62 is: 10,615,705.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,643,270.04 : 42,963,739.80 = 7,077,328.62 : x
  2. Step 2: Convert to fraction form
    28,643,270.04/42,963,739.80 = 7,077,328.62/x
  3. Step 3: Cross multiply
    28,643,270.04x = 42,963,739.80 × 7,077,328.62
  4. Step 4: Simplify right side
    28,643,270.04x = 304,068,505,308,773.06
  5. Step 5: Solve for x
    x = 304,068,505,308,773.06/28,643,270.04
  6. Step 6: Final answer
    x = 10,615,705.01

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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.