Home / 30,338,949.34-45,509,271.91-9,868,669.01

Finding the Fourth Proportional to 30,338,949.34, 45,509,271.91 and 9,868,669.01

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Solution

The fourth proportional to 30,338,949.34, 45,509,271.91 and 9,868,669.01 is: 14,803,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338,949.34 : 45,509,271.91 = 9,868,669.01 : x
  2. Step 2: Convert to fraction form
    30,338,949.34/45,509,271.91 = 9,868,669.01/x
  3. Step 3: Cross multiply
    30,338,949.34x = 45,509,271.91 × 9,868,669.01
  4. Step 4: Simplify right side
    30,338,949.34x = 449,115,941,365,880.44
  5. Step 5: Solve for x
    x = 449,115,941,365,880.44/30,338,949.34
  6. Step 6: Final answer
    x = 14,803,279.32

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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.