Home / 10,502,308.40-15,766,256.55-6,664,123.40

Finding the Fourth Proportional to 10,502,308.40, 15,766,256.55 and 6,664,123.40

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Solution

The fourth proportional to 10,502,308.40, 15,766,256.55 and 6,664,123.40 is: 10,004,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,502,308.40 : 15,766,256.55 = 6,664,123.40 : x
  2. Step 2: Convert to fraction form
    10,502,308.40/15,766,256.55 = 6,664,123.40/x
  3. Step 3: Cross multiply
    10,502,308.40x = 15,766,256.55 × 6,664,123.40
  4. Step 4: Simplify right side
    10,502,308.40x = 105,068,279,205,258.28
  5. Step 5: Solve for x
    x = 105,068,279,205,258.28/10,502,308.40
  6. Step 6: Final answer
    x = 10,004,303.36

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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.