Finding the Fourth Proportional to 42,564,818.24, 63,872,663.52 and 15,641,195.84
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Solution
The fourth proportional to 42,564,818.24, 63,872,663.52 and 15,641,195.84 is: 23,471,140.73
Step by Step Solution
- Step 1: Write the proportion equation
42,564,818.24 : 63,872,663.52 = 15,641,195.84 : x - Step 2: Convert to fraction form
42,564,818.24/63,872,663.52 = 15,641,195.84/x - Step 3: Cross multiply
42,564,818.24x = 63,872,663.52 × 15,641,195.84 - Step 4: Simplify right side
42,564,818.24x = 999,044,838,938,743.75 - Step 5: Solve for x
x = 999,044,838,938,743.75/42,564,818.24 - Step 6: Final answer
x = 23,471,140.73
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.