Home / 30,999,312.88-46,475,803.28-21,387,263.20

Finding the Fourth Proportional to 30,999,312.88, 46,475,803.28 and 21,387,263.20

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Solution

The fourth proportional to 30,999,312.88, 46,475,803.28 and 21,387,263.20 is: 32,064,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,999,312.88 : 46,475,803.28 = 21,387,263.20 : x
  2. Step 2: Convert to fraction form
    30,999,312.88/46,475,803.28 = 21,387,263.20/x
  3. Step 3: Cross multiply
    30,999,312.88x = 46,475,803.28 × 21,387,263.20
  4. Step 4: Simplify right side
    30,999,312.88x = 993,990,237,180,783.25
  5. Step 5: Solve for x
    x = 993,990,237,180,783.25/30,999,312.88
  6. Step 6: Final answer
    x = 32,064,911.92

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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.