Home / 28,893,495.20-39,847,197.12-19,113,931.04

Finding the Fourth Proportional to 28,893,495.20, 39,847,197.12 and 19,113,931.04

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Solution

The fourth proportional to 28,893,495.20, 39,847,197.12 and 19,113,931.04 is: 26,360,139.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893,495.20 : 39,847,197.12 = 19,113,931.04 : x
  2. Step 2: Convert to fraction form
    28,893,495.20/39,847,197.12 = 19,113,931.04/x
  3. Step 3: Cross multiply
    28,893,495.20x = 39,847,197.12 × 19,113,931.04
  4. Step 4: Simplify right side
    28,893,495.20x = 761,636,577,888,966.50
  5. Step 5: Solve for x
    x = 761,636,577,888,966.50/28,893,495.20
  6. Step 6: Final answer
    x = 26,360,139.98

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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.