Home / 9,358,721.40-14,048,579.70-7,238,206.20

Finding the Fourth Proportional to 9,358,721.40, 14,048,579.70 and 7,238,206.20

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Solution

The fourth proportional to 9,358,721.40, 14,048,579.70 and 7,238,206.20 is: 10,865,428.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,721.40 : 14,048,579.70 = 7,238,206.20 : x
  2. Step 2: Convert to fraction form
    9,358,721.40/14,048,579.70 = 7,238,206.20/x
  3. Step 3: Cross multiply
    9,358,721.40x = 14,048,579.70 × 7,238,206.20
  4. Step 4: Simplify right side
    9,358,721.40x = 101,686,516,685,734.14
  5. Step 5: Solve for x
    x = 101,686,516,685,734.14/9,358,721.40
  6. Step 6: Final answer
    x = 10,865,428.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.