Finding the Fourth Proportional to 13,585,267.08, 18,774,567.36 and 11,134,011.87
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Solution
The fourth proportional to 13,585,267.08, 18,774,567.36 and 11,134,011.87 is: 15,386,981.69
Step by Step Solution
- Step 1: Write the proportion equation
13,585,267.08 : 18,774,567.36 = 11,134,011.87 : x - Step 2: Convert to fraction form
13,585,267.08/18,774,567.36 = 11,134,011.87/x - Step 3: Cross multiply
13,585,267.08x = 18,774,567.36 × 11,134,011.87 - Step 4: Simplify right side
13,585,267.08x = 209,036,255,840,354.53 - Step 5: Solve for x
x = 209,036,255,840,354.53/13,585,267.08 - Step 6: Final answer
x = 15,386,981.69
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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.