Home / 42,009,509.52-63,014,275.08-13,257,895.32

Finding the Fourth Proportional to 42,009,509.52, 63,014,275.08 and 13,257,895.32

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Solution

The fourth proportional to 42,009,509.52, 63,014,275.08 and 13,257,895.32 is: 19,886,846.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,009,509.52 : 63,014,275.08 = 13,257,895.32 : x
  2. Step 2: Convert to fraction form
    42,009,509.52/63,014,275.08 = 13,257,895.32/x
  3. Step 3: Cross multiply
    42,009,509.52x = 63,014,275.08 × 13,257,895.32
  4. Step 4: Simplify right side
    42,009,509.52x = 835,436,662,676,324.62
  5. Step 5: Solve for x
    x = 835,436,662,676,324.62/42,009,509.52
  6. Step 6: Final answer
    x = 19,886,846.39

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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.