Home / 30,166,550.16-45,249,918.12-7,447,449.84

Finding the Fourth Proportional to 30,166,550.16, 45,249,918.12 and 7,447,449.84

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Solution

The fourth proportional to 30,166,550.16, 45,249,918.12 and 7,447,449.84 is: 11,171,197.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,166,550.16 : 45,249,918.12 = 7,447,449.84 : x
  2. Step 2: Convert to fraction form
    30,166,550.16/45,249,918.12 = 7,447,449.84/x
  3. Step 3: Cross multiply
    30,166,550.16x = 45,249,918.12 × 7,447,449.84
  4. Step 4: Simplify right side
    30,166,550.16x = 336,996,495,462,807.06
  5. Step 5: Solve for x
    x = 336,996,495,462,807.06/30,166,550.16
  6. Step 6: Final answer
    x = 11,171,197.69

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1.5x scale

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.