Home / 19,320,020.40-28,980,030.60-10,362,068.40

Finding the Fourth Proportional to 19,320,020.40, 28,980,030.60 and 10,362,068.40

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Solution

The fourth proportional to 19,320,020.40, 28,980,030.60 and 10,362,068.40 is: 15,543,102.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320,020.40 : 28,980,030.60 = 10,362,068.40 : x
  2. Step 2: Convert to fraction form
    19,320,020.40/28,980,030.60 = 10,362,068.40/x
  3. Step 3: Cross multiply
    19,320,020.40x = 28,980,030.60 × 10,362,068.40
  4. Step 4: Simplify right side
    19,320,020.40x = 300,293,059,311,293.06
  5. Step 5: Solve for x
    x = 300,293,059,311,293.06/19,320,020.40
  6. Step 6: Final answer
    x = 15,543,102.60

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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.