Home / 30,335,999.60-45,503,999.40-19,586,457.20

Finding the Fourth Proportional to 30,335,999.60, 45,503,999.40 and 19,586,457.20

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Solution

The fourth proportional to 30,335,999.60, 45,503,999.40 and 19,586,457.20 is: 29,379,685.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335,999.60 : 45,503,999.40 = 19,586,457.20 : x
  2. Step 2: Convert to fraction form
    30,335,999.60/45,503,999.40 = 19,586,457.20/x
  3. Step 3: Cross multiply
    30,335,999.60x = 45,503,999.40 × 19,586,457.20
  4. Step 4: Simplify right side
    30,335,999.60x = 891,262,136,676,925.62
  5. Step 5: Solve for x
    x = 891,262,136,676,925.62/30,335,999.60
  6. Step 6: Final answer
    x = 29,379,685.80

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1.5x scale

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.