Home / 30,072,547.17-45,127,796.45-12,800,720.52

Finding the Fourth Proportional to 30,072,547.17, 45,127,796.45 and 12,800,720.52

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Solution

The fourth proportional to 30,072,547.17, 45,127,796.45 and 12,800,720.52 is: 19,209,158.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,072,547.17 : 45,127,796.45 = 12,800,720.52 : x
  2. Step 2: Convert to fraction form
    30,072,547.17/45,127,796.45 = 12,800,720.52/x
  3. Step 3: Cross multiply
    30,072,547.17x = 45,127,796.45 × 12,800,720.52
  4. Step 4: Simplify right side
    30,072,547.17x = 577,668,309,975,894.50
  5. Step 5: Solve for x
    x = 577,668,309,975,894.50/30,072,547.17
  6. Step 6: Final answer
    x = 19,209,158.00

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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.