Home / 30,535,668.16-45,803,473.08-7,816,528.96

Finding the Fourth Proportional to 30,535,668.16, 45,803,473.08 and 7,816,528.96

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Solution

The fourth proportional to 30,535,668.16, 45,803,473.08 and 7,816,528.96 is: 11,724,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,535,668.16 : 45,803,473.08 = 7,816,528.96 : x
  2. Step 2: Convert to fraction form
    30,535,668.16/45,803,473.08 = 7,816,528.96/x
  3. Step 3: Cross multiply
    30,535,668.16x = 45,803,473.08 × 7,816,528.96
  4. Step 4: Simplify right side
    30,535,668.16x = 358,024,173,798,400.38
  5. Step 5: Solve for x
    x = 358,024,173,798,400.38/30,535,668.16
  6. Step 6: Final answer
    x = 11,724,785.98

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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.