Home / 9,000,779.90-12,421,075.88-4,870,811.17

Finding the Fourth Proportional to 9,000,779.90, 12,421,075.88 and 4,870,811.17

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Solution

The fourth proportional to 9,000,779.90, 12,421,075.88 and 4,870,811.17 is: 6,721,719.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000,779.90 : 12,421,075.88 = 4,870,811.17 : x
  2. Step 2: Convert to fraction form
    9,000,779.90/12,421,075.88 = 4,870,811.17/x
  3. Step 3: Cross multiply
    9,000,779.90x = 12,421,075.88 × 4,870,811.17
  4. Step 4: Simplify right side
    9,000,779.90x = 60,500,715,139,721.59
  5. Step 5: Solve for x
    x = 60,500,715,139,721.59/9,000,779.90
  6. Step 6: Final answer
    x = 6,721,719.21

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1.5x scale

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.