Home / 15,742,493.88-21,724,762.86-8,866,332.60

Finding the Fourth Proportional to 15,742,493.88, 21,724,762.86 and 8,866,332.60

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Solution

The fourth proportional to 15,742,493.88, 21,724,762.86 and 8,866,332.60 is: 12,235,607.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,493.88 : 21,724,762.86 = 8,866,332.60 : x
  2. Step 2: Convert to fraction form
    15,742,493.88/21,724,762.86 = 8,866,332.60/x
  3. Step 3: Cross multiply
    15,742,493.88x = 21,724,762.86 × 8,866,332.60
  4. Step 4: Simplify right side
    15,742,493.88x = 192,618,973,172,887.22
  5. Step 5: Solve for x
    x = 192,618,973,172,887.22/15,742,493.88
  6. Step 6: Final answer
    x = 12,235,607.31

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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.