Home / 28,514,307.60-42,771,461.40-13,161,567.60

Finding the Fourth Proportional to 28,514,307.60, 42,771,461.40 and 13,161,567.60

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Solution

The fourth proportional to 28,514,307.60, 42,771,461.40 and 13,161,567.60 is: 19,742,351.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,514,307.60 : 42,771,461.40 = 13,161,567.60 : x
  2. Step 2: Convert to fraction form
    28,514,307.60/42,771,461.40 = 13,161,567.60/x
  3. Step 3: Cross multiply
    28,514,307.60x = 42,771,461.40 × 13,161,567.60
  4. Step 4: Simplify right side
    28,514,307.60x = 562,939,480,566,890.62
  5. Step 5: Solve for x
    x = 562,939,480,566,890.62/28,514,307.60
  6. Step 6: Final answer
    x = 19,742,351.40

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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.