Home / 19,369,140.72-26,729,088.12-10,668,123.60

Finding the Fourth Proportional to 19,369,140.72, 26,729,088.12 and 10,668,123.60

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Solution

The fourth proportional to 19,369,140.72, 26,729,088.12 and 10,668,123.60 is: 14,721,830.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,369,140.72 : 26,729,088.12 = 10,668,123.60 : x
  2. Step 2: Convert to fraction form
    19,369,140.72/26,729,088.12 = 10,668,123.60/x
  3. Step 3: Cross multiply
    19,369,140.72x = 26,729,088.12 × 10,668,123.60
  4. Step 4: Simplify right side
    19,369,140.72x = 285,149,215,779,451.62
  5. Step 5: Solve for x
    x = 285,149,215,779,451.62/19,369,140.72
  6. Step 6: Final answer
    x = 14,721,830.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.