Home / 19,008,048.40-28,512,072.60-6,877,488.40

Finding the Fourth Proportional to 19,008,048.40, 28,512,072.60 and 6,877,488.40

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Solution

The fourth proportional to 19,008,048.40, 28,512,072.60 and 6,877,488.40 is: 10,316,232.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,008,048.40 : 28,512,072.60 = 6,877,488.40 : x
  2. Step 2: Convert to fraction form
    19,008,048.40/28,512,072.60 = 6,877,488.40/x
  3. Step 3: Cross multiply
    19,008,048.40x = 28,512,072.60 × 6,877,488.40
  4. Step 4: Simplify right side
    19,008,048.40x = 196,091,448,566,457.88
  5. Step 5: Solve for x
    x = 196,091,448,566,457.88/19,008,048.40
  6. Step 6: Final answer
    x = 10,316,232.60

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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.