Home / 30,727,000.98-42,402,759.74-16,788,056.12

Finding the Fourth Proportional to 30,727,000.98, 42,402,759.74 and 16,788,056.12

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Solution

The fourth proportional to 30,727,000.98, 42,402,759.74 and 16,788,056.12 is: 23,167,243.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,727,000.98 : 42,402,759.74 = 16,788,056.12 : x
  2. Step 2: Convert to fraction form
    30,727,000.98/42,402,759.74 = 16,788,056.12/x
  3. Step 3: Cross multiply
    30,727,000.98x = 42,402,759.74 × 16,788,056.12
  4. Step 4: Simplify right side
    30,727,000.98x = 711,859,909,862,042.50
  5. Step 5: Solve for x
    x = 711,859,909,862,042.50/30,727,000.98
  6. Step 6: Final answer
    x = 23,167,243.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.