Home / 21,303,430.20-31,955,145.30-14,500,985.40

Finding the Fourth Proportional to 21,303,430.20, 31,955,145.30 and 14,500,985.40

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Solution

The fourth proportional to 21,303,430.20, 31,955,145.30 and 14,500,985.40 is: 21,751,478.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,303,430.20 : 31,955,145.30 = 14,500,985.40 : x
  2. Step 2: Convert to fraction form
    21,303,430.20/31,955,145.30 = 14,500,985.40/x
  3. Step 3: Cross multiply
    21,303,430.20x = 31,955,145.30 × 14,500,985.40
  4. Step 4: Simplify right side
    21,303,430.20x = 463,381,095,450,178.62
  5. Step 5: Solve for x
    x = 463,381,095,450,178.62/21,303,430.20
  6. Step 6: Final answer
    x = 21,751,478.10

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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.