Home / 14,219,640.90-21,329,461.35-9,117,807.30

Finding the Fourth Proportional to 14,219,640.90, 21,329,461.35 and 9,117,807.30

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Solution

The fourth proportional to 14,219,640.90, 21,329,461.35 and 9,117,807.30 is: 13,676,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,219,640.90 : 21,329,461.35 = 9,117,807.30 : x
  2. Step 2: Convert to fraction form
    14,219,640.90/21,329,461.35 = 9,117,807.30/x
  3. Step 3: Cross multiply
    14,219,640.90x = 21,329,461.35 × 9,117,807.30
  4. Step 4: Simplify right side
    14,219,640.90x = 194,477,918,402,097.88
  5. Step 5: Solve for x
    x = 194,477,918,402,097.88/14,219,640.90
  6. Step 6: Final answer
    x = 13,676,710.95

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1.5x scale

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.