Home / 30,465,987.04-45,710,356.86-12,275,342.98

Finding the Fourth Proportional to 30,465,987.04, 45,710,356.86 and 12,275,342.98

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Solution

The fourth proportional to 30,465,987.04, 45,710,356.86 and 12,275,342.98 is: 18,417,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,465,987.04 : 45,710,356.86 = 12,275,342.98 : x
  2. Step 2: Convert to fraction form
    30,465,987.04/45,710,356.86 = 12,275,342.98/x
  3. Step 3: Cross multiply
    30,465,987.04x = 45,710,356.86 × 12,275,342.98
  4. Step 4: Simplify right side
    30,465,987.04x = 561,110,308,194,695.88
  5. Step 5: Solve for x
    x = 561,110,308,194,695.88/30,465,987.04
  6. Step 6: Final answer
    x = 18,417,598.20

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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.