Home / 38,827,807.19-53,583,491.01-21,425,275.47

Finding the Fourth Proportional to 38,827,807.19, 53,583,491.01 and 21,425,275.47

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Solution

The fourth proportional to 38,827,807.19, 53,583,491.01 and 21,425,275.47 is: 29,567,496.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,827,807.19 : 53,583,491.01 = 21,425,275.47 : x
  2. Step 2: Convert to fraction form
    38,827,807.19/53,583,491.01 = 21,425,275.47/x
  3. Step 3: Cross multiply
    38,827,807.19x = 53,583,491.01 × 21,425,275.47
  4. Step 4: Simplify right side
    38,827,807.19x = 1,148,041,055,533,518.50
  5. Step 5: Solve for x
    x = 1,148,041,055,533,518.50/38,827,807.19
  6. Step 6: Final answer
    x = 29,567,496.56

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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.