Home / 13,197,961.83-18,213,901.16-7,398,606.45

Finding the Fourth Proportional to 13,197,961.83, 18,213,901.16 and 7,398,606.45

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Solution

The fourth proportional to 13,197,961.83, 18,213,901.16 and 7,398,606.45 is: 10,210,477.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197,961.83 : 18,213,901.16 = 7,398,606.45 : x
  2. Step 2: Convert to fraction form
    13,197,961.83/18,213,901.16 = 7,398,606.45/x
  3. Step 3: Cross multiply
    13,197,961.83x = 18,213,901.16 × 7,398,606.45
  4. Step 4: Simplify right side
    13,197,961.83x = 134,757,486,602,038.48
  5. Step 5: Solve for x
    x = 134,757,486,602,038.48/13,197,961.83
  6. Step 6: Final answer
    x = 10,210,477.07

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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.