Home / 13,116,980.16-18,101,430.54-7,315,637.45

Finding the Fourth Proportional to 13,116,980.16, 18,101,430.54 and 7,315,637.45

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Solution

The fourth proportional to 13,116,980.16, 18,101,430.54 and 7,315,637.45 is: 10,095,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,116,980.16 : 18,101,430.54 = 7,315,637.45 : x
  2. Step 2: Convert to fraction form
    13,116,980.16/18,101,430.54 = 7,315,637.45/x
  3. Step 3: Cross multiply
    13,116,980.16x = 18,101,430.54 × 7,315,637.45
  4. Step 4: Simplify right side
    13,116,980.16x = 132,423,503,066,490.56
  5. Step 5: Solve for x
    x = 132,423,503,066,490.56/13,116,980.16
  6. Step 6: Final answer
    x = 10,095,578.51

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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.