Home / 7,035,578.70-10,553,368.05-6,643,668.30

Finding the Fourth Proportional to 7,035,578.70, 10,553,368.05 and 6,643,668.30

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Solution

The fourth proportional to 7,035,578.70, 10,553,368.05 and 6,643,668.30 is: 9,965,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035,578.70 : 10,553,368.05 = 6,643,668.30 : x
  2. Step 2: Convert to fraction form
    7,035,578.70/10,553,368.05 = 6,643,668.30/x
  3. Step 3: Cross multiply
    7,035,578.70x = 10,553,368.05 × 6,643,668.30
  4. Step 4: Simplify right side
    7,035,578.70x = 70,113,076,772,017.82
  5. Step 5: Solve for x
    x = 70,113,076,772,017.82/7,035,578.70
  6. Step 6: Final answer
    x = 9,965,502.45

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Double scale
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Similar ratio
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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.