Finding the Fourth Proportional to 45,779,831.86, 63,160,543.08 and 28,369,824.70
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Solution
The fourth proportional to 45,779,831.86, 63,160,543.08 and 28,369,824.70 is: 39,140,675.32
Step by Step Solution
- Step 1: Write the proportion equation
45,779,831.86 : 63,160,543.08 = 28,369,824.70 : x - Step 2: Convert to fraction form
45,779,831.86/63,160,543.08 = 28,369,824.70/x - Step 3: Cross multiply
45,779,831.86x = 63,160,543.08 × 28,369,824.70 - Step 4: Simplify right side
45,779,831.86x = 1,791,853,535,136,398 - Step 5: Solve for x
x = 1,791,853,535,136,398/45,779,831.86 - Step 6: Final answer
x = 39,140,675.32
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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.