Home / 30,881,200.02-46,323,957.87-12,686,312.58

Finding the Fourth Proportional to 30,881,200.02, 46,323,957.87 and 12,686,312.58

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Solution

The fourth proportional to 30,881,200.02, 46,323,957.87 and 12,686,312.58 is: 19,030,355.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881,200.02 : 46,323,957.87 = 12,686,312.58 : x
  2. Step 2: Convert to fraction form
    30,881,200.02/46,323,957.87 = 12,686,312.58/x
  3. Step 3: Cross multiply
    30,881,200.02x = 46,323,957.87 × 12,686,312.58
  4. Step 4: Simplify right side
    30,881,200.02x = 587,680,209,481,571
  5. Step 5: Solve for x
    x = 587,680,209,481,571/30,881,200.02
  6. Step 6: Final answer
    x = 19,030,355.33

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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.