Finding the Fourth Proportional to 15,779,373.12, 21,775,323.24 and 8,810,157.74
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Solution
The fourth proportional to 15,779,373.12, 21,775,323.24 and 8,810,157.74 is: 12,157,899.49
Step by Step Solution
- Step 1: Write the proportion equation
15,779,373.12 : 21,775,323.24 = 8,810,157.74 : x - Step 2: Convert to fraction form
15,779,373.12/21,775,323.24 = 8,810,157.74/x - Step 3: Cross multiply
15,779,373.12x = 21,775,323.24 × 8,810,157.74 - Step 4: Simplify right side
15,779,373.12x = 191,844,032,475,011.22 - Step 5: Solve for x
x = 191,844,032,475,011.22/15,779,373.12 - Step 6: Final answer
x = 12,157,899.49
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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.