Finding the Fourth Proportional to 26,779,772.07, 40,173,440.93 and 8,579,709.79
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Solution
The fourth proportional to 26,779,772.07, 40,173,440.93 and 8,579,709.79 is: 12,870,776.63
Step by Step Solution
- Step 1: Write the proportion equation
26,779,772.07 : 40,173,440.93 = 8,579,709.79 : x - Step 2: Convert to fraction form
26,779,772.07/40,173,440.93 = 8,579,709.79/x - Step 3: Cross multiply
26,779,772.07x = 40,173,440.93 × 8,579,709.79 - Step 4: Simplify right side
26,779,772.07x = 344,676,464,445,107.69 - Step 5: Solve for x
x = 344,676,464,445,107.69/26,779,772.07 - Step 6: Final answer
x = 12,870,776.63
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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.