Home / 18,249,352.05-25,184,113.71-9,989,461.44

Finding the Fourth Proportional to 18,249,352.05, 25,184,113.71 and 9,989,461.44

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Solution

The fourth proportional to 18,249,352.05, 25,184,113.71 and 9,989,461.44 is: 13,785,461.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249,352.05 : 25,184,113.71 = 9,989,461.44 : x
  2. Step 2: Convert to fraction form
    18,249,352.05/25,184,113.71 = 9,989,461.44/x
  3. Step 3: Cross multiply
    18,249,352.05x = 25,184,113.71 × 9,989,461.44
  4. Step 4: Simplify right side
    18,249,352.05x = 251,575,732,630,752.47
  5. Step 5: Solve for x
    x = 251,575,732,630,752.47/18,249,352.05
  6. Step 6: Final answer
    x = 13,785,461.10

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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.