Home / 30,348,701.20-45,523,051.80-8,784,006.40

Finding the Fourth Proportional to 30,348,701.20, 45,523,051.80 and 8,784,006.40

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Solution

The fourth proportional to 30,348,701.20, 45,523,051.80 and 8,784,006.40 is: 13,176,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348,701.20 : 45,523,051.80 = 8,784,006.40 : x
  2. Step 2: Convert to fraction form
    30,348,701.20/45,523,051.80 = 8,784,006.40/x
  3. Step 3: Cross multiply
    30,348,701.20x = 45,523,051.80 × 8,784,006.40
  4. Step 4: Simplify right side
    30,348,701.20x = 399,874,778,358,731.50
  5. Step 5: Solve for x
    x = 399,874,778,358,731.50/30,348,701.20
  6. Step 6: Final answer
    x = 13,176,009.60

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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.