Home / 13,366,366.07-18,445,091.78-7,254,663.35

Finding the Fourth Proportional to 13,366,366.07, 18,445,091.78 and 7,254,663.35

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Solution

The fourth proportional to 13,366,366.07, 18,445,091.78 and 7,254,663.35 is: 10,011,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,366,366.07 : 18,445,091.78 = 7,254,663.35 : x
  2. Step 2: Convert to fraction form
    13,366,366.07/18,445,091.78 = 7,254,663.35/x
  3. Step 3: Cross multiply
    13,366,366.07x = 18,445,091.78 × 7,254,663.35
  4. Step 4: Simplify right side
    13,366,366.07x = 133,812,931,249,663.45
  5. Step 5: Solve for x
    x = 133,812,931,249,663.45/13,366,366.07
  6. Step 6: Final answer
    x = 10,011,167.63

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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.