Home / 9,157,201.40-13,742,022.90-5,113,681.40

Finding the Fourth Proportional to 9,157,201.40, 13,742,022.90 and 5,113,681.40

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Solution

The fourth proportional to 9,157,201.40, 13,742,022.90 and 5,113,681.40 is: 7,673,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,157,201.40 : 13,742,022.90 = 5,113,681.40 : x
  2. Step 2: Convert to fraction form
    9,157,201.40/13,742,022.90 = 5,113,681.40/x
  3. Step 3: Cross multiply
    9,157,201.40x = 13,742,022.90 × 5,113,681.40
  4. Step 4: Simplify right side
    9,157,201.40x = 70,272,326,902,104.07
  5. Step 5: Solve for x
    x = 70,272,326,902,104.07/9,157,201.40
  6. Step 6: Final answer
    x = 7,673,996.00

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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.