Home / 14,736,678.40-20,335,226.88-8,209,642.24

Finding the Fourth Proportional to 14,736,678.40, 20,335,226.88 and 8,209,642.24

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Solution

The fourth proportional to 14,736,678.40, 20,335,226.88 and 8,209,642.24 is: 11,328,532.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,736,678.40 : 20,335,226.88 = 8,209,642.24 : x
  2. Step 2: Convert to fraction form
    14,736,678.40/20,335,226.88 = 8,209,642.24/x
  3. Step 3: Cross multiply
    14,736,678.40x = 20,335,226.88 × 8,209,642.24
  4. Step 4: Simplify right side
    14,736,678.40x = 166,944,937,554,031.41
  5. Step 5: Solve for x
    x = 166,944,937,554,031.41/14,736,678.40
  6. Step 6: Final answer
    x = 11,328,532.32

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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.