Finding the Fourth Proportional to 8,217,603.99, 11,343,925.58 and 4,911,064.71
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Solution
The fourth proportional to 8,217,603.99, 11,343,925.58 and 4,911,064.71 is: 6,779,439.92
Step by Step Solution
- Step 1: Write the proportion equation
8,217,603.99 : 11,343,925.58 = 4,911,064.71 : x - Step 2: Convert to fraction form
8,217,603.99/11,343,925.58 = 4,911,064.71/x - Step 3: Cross multiply
8,217,603.99x = 11,343,925.58 × 4,911,064.71 - Step 4: Simplify right side
8,217,603.99x = 55,710,752,564,248.95 - Step 5: Solve for x
x = 55,710,752,564,248.95/8,217,603.99 - Step 6: Final answer
x = 6,779,439.92
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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.