Home / 14,133,068.90-21,199,603.35-9,290,312.80

Finding the Fourth Proportional to 14,133,068.90, 21,199,603.35 and 9,290,312.80

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Solution

The fourth proportional to 14,133,068.90, 21,199,603.35 and 9,290,312.80 is: 13,935,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,133,068.90 : 21,199,603.35 = 9,290,312.80 : x
  2. Step 2: Convert to fraction form
    14,133,068.90/21,199,603.35 = 9,290,312.80/x
  3. Step 3: Cross multiply
    14,133,068.90x = 21,199,603.35 × 9,290,312.80
  4. Step 4: Simplify right side
    14,133,068.90x = 196,950,946,357,427.91
  5. Step 5: Solve for x
    x = 196,950,946,357,427.91/14,133,068.90
  6. Step 6: Final answer
    x = 13,935,469.20

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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.