Home / 13,141,088.70-18,134,509.41-7,339,955.10

Finding the Fourth Proportional to 13,141,088.70, 18,134,509.41 and 7,339,955.10

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Solution

The fourth proportional to 13,141,088.70, 18,134,509.41 and 7,339,955.10 is: 10,129,030.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,141,088.70 : 18,134,509.41 = 7,339,955.10 : x
  2. Step 2: Convert to fraction form
    13,141,088.70/18,134,509.41 = 7,339,955.10/x
  3. Step 3: Cross multiply
    13,141,088.70x = 18,134,509.41 × 7,339,955.10
  4. Step 4: Simplify right side
    13,141,088.70x = 133,106,484,829,927.48
  5. Step 5: Solve for x
    x = 133,106,484,829,927.48/13,141,088.70
  6. Step 6: Final answer
    x = 10,129,030.24

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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.