Home / 28,174,293.40-38,862,458.76-19,349,485.96

Finding the Fourth Proportional to 28,174,293.40, 38,862,458.76 and 19,349,485.96

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Solution

The fourth proportional to 28,174,293.40, 38,862,458.76 and 19,349,485.96 is: 26,689,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,174,293.40 : 38,862,458.76 = 19,349,485.96 : x
  2. Step 2: Convert to fraction form
    28,174,293.40/38,862,458.76 = 19,349,485.96/x
  3. Step 3: Cross multiply
    28,174,293.40x = 38,862,458.76 × 19,349,485.96
  4. Step 4: Simplify right side
    28,174,293.40x = 751,968,600,147,699
  5. Step 5: Solve for x
    x = 751,968,600,147,699/28,174,293.40
  6. Step 6: Final answer
    x = 26,689,883.20

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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.