Home / 42,943,538.52-64,421,289.36-13,798,254.60

Finding the Fourth Proportional to 42,943,538.52, 64,421,289.36 and 13,798,254.60

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Solution

The fourth proportional to 42,943,538.52, 64,421,289.36 and 13,798,254.60 is: 20,699,303.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,943,538.52 : 64,421,289.36 = 13,798,254.60 : x
  2. Step 2: Convert to fraction form
    42,943,538.52/64,421,289.36 = 13,798,254.60/x
  3. Step 3: Cross multiply
    42,943,538.52x = 64,421,289.36 × 13,798,254.60
  4. Step 4: Simplify right side
    42,943,538.52x = 888,901,352,249,551
  5. Step 5: Solve for x
    x = 888,901,352,249,551/42,943,538.52
  6. Step 6: Final answer
    x = 20,699,303.85

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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.