Home / 13,090,133.17-18,064,211.48-7,209,654.40

Finding the Fourth Proportional to 13,090,133.17, 18,064,211.48 and 7,209,654.40

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Solution

The fourth proportional to 13,090,133.17, 18,064,211.48 and 7,209,654.40 is: 9,949,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090,133.17 : 18,064,211.48 = 7,209,654.40 : x
  2. Step 2: Convert to fraction form
    13,090,133.17/18,064,211.48 = 7,209,654.40/x
  3. Step 3: Cross multiply
    13,090,133.17x = 18,064,211.48 × 7,209,654.40
  4. Step 4: Simplify right side
    13,090,133.17x = 130,236,721,652,943.19
  5. Step 5: Solve for x
    x = 130,236,721,652,943.19/13,090,133.17
  6. Step 6: Final answer
    x = 9,949,228.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.